How many formula units would there be in a 54.3 gram sample of sodium nitrate?

1 Answer

Answer :

3

Related questions

Description : How many formula units would there be in a 54.3 gram sample of sodium nitrate?

Last Answer : 3

Description : A moist soil sample of volume 60 cc. weighs 108 g and its dried weight is 86.4 g. If its absolute density is 2.52, the degree of saturation is (A) 54 % (B) 64 % (C) 74 % (D) 84 %

Last Answer : (D) 84 %

Description : The half-life of an isotope of an element is 5 days. The mass of a 10 gram sample of this isotope remaining after 20 days is: w) 0.312 grams x) 0.625 grams y) 1.25 grams z) 2.50 grams

Last Answer : ANSWER: X -- 0.625 GRAMS

Description : )If the average total cost is Rs.54, total fixed cost is Rs.45000 and quantity produced is 2500 units, find the average variable costs (in Rs.) of the firm - (1) 24 (2) 18 (3) 36 (4) 60

Last Answer : (3) 36 Explanation: The standard method of calculating average variable cost is to divide total variable cost by the quantity, illustrated by this equation : Average Variable Cost = Total Variable Cost/ Quantity of ... , Average Total Cost = 45000/2500 = 18 So Average Variable Cost = 54 - 18= 36

Description : Find the maximum force of the conductor having length 60cm, current 2.75A and flux density of 9 units. a) 14.85 b) 18.54 c) 84.25 d) 7.256

Last Answer : a) 14.85

Description : If the average total cost is Rs. 54, total fixed cost is Rs. 45000 and quantity produced is 2500 units, find the average variable costs (in Rs.) of the firm : (1) 24 (2) 18 (3) 36 (4) 60

Last Answer : 36

Description : A vessel with a volume of cubic meter contains liquid water and water vapor ion equilibrium at 600 kPa. The liquid water has mass of1kg. Using the steam table, calculate the mass of the water vapor.  A. 0.99kg  B. 1.57 kg  C ... / kg vg = 0.3157 m^3 / kg Vtot = mƒ vƒ + mg vg mg = (tot-mƒ vƒ) / vg

Last Answer : 3.16 kg

Description : What is the mass of 6.0 moles of sodium nitrate (NaNO3)?

Last Answer : 509.96 grams

Last Answer : : The chemical signal of sodium nitrate is NaNO3

Description : A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the aforementio

Last Answer : A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution ... . `S^(2-)` D. `Cl^(-)`

Description : A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution is added to the solution, a

Last Answer : A white sodium salt dissolves readily in water to give a solution which is neutral to litmus. When silver nitrate solution ... (3)^(2-)` D. `S^(2-)`

Description : What happens when sodium sulfide and cadmium nitrate are mixed?

Last Answer : Need answer

Description : How is the solubility of sodium nitrate and of ptassium nitrate affected by temperayure?

Last Answer : Need answer

Description : What is the percent of nitrogen in sodium nitrate?

Last Answer : The percent of nitrogen in sodium nitrate is 16,47 %.

Description : What is the oxidation number of nitrogen in sodium nitrate?

Last Answer : The oxidation number of nitrogen in sodium nitrate is 5.

Description : What is the difference between solubility of sodium nitrate and ammonia?

Last Answer : Sodium nitrate is more soluble in water.

Description : When dissolved in water does sodium nitrate conduct electricity?

Last Answer : Yes, it is true.

Description : What happens when sodium chloride solution is mixed with lead nitrate solution?

Last Answer : The chemical reaction is:2 NaCl + Pb(NO3)2 = PbCl2(s) + 2 NaNO3

Description : In case of acute pain of angina pectoris the most effective treatment would be to administer (a) Mannitol hexanitrate (b) Erythrityl tetranitrate (c) Sodium nitrate (d) Pentaerythritol tetranitrate (e) Nitroglycerin

Last Answer : Ans: E

Description : A FDA – approved ingredient for protection against painful sensitivity of the teeth due to cold, heat, acids, sweets or contact is (a) Dicalcium phosphate (b) Sodium lauryl sulfate (c) 5% potassium nitrate (d) Zinc chloride (e) Calcium carbonate

Last Answer : Ans: C

Description : Hypo, used in photography, is chemically (a) silver bromide (b) sodium thiosulphate (c) sodium phosphate (d) silver nitrate

Last Answer : Ans:(b)

Description : A dark purple compound used as an antiseptic and disinfectant is (a) Potassium nitrate (b) Sodium thiosulphate (c) Potassium permanganate (d) Calcium phosphate

Last Answer : Ans:(c)

Description : Which of the following substances undergoes chemical change on heating? (1) Sodium chloride (2) Silica (3) Lead nitrate (4) Platinum wire

Last Answer : (3) Lead nitrate Explanation: Lead nitrate on heating decomposes to lead monoxide, nitrogen dioxide and oxygen. NO2 is liberated, along with oxygen, as a reddish brown gas.

Description : The chemical name of "Hypo" commonly used in photography is – (1) Sodium thiosulphate (2) Silver nitrate (3) Sodium nitrate (4) Silver iodide

Last Answer : (1) Sodium thiosulphate Explanation: An emulsion of sodium thiosulfate is called hypo by photographers. It is used to stop development of exposed film. Thiosulfate converts undeveloped silver bromide ... into water-soluble silver thiosulfate complexes that can be removed when the film is washed.

Description : Chile saltpeter is the common name of: (1) Sodium nitrate (2) Potassium nitrite (3) Potassium nitrate (4) Sodium nitrite

Last Answer : (1) Sodium nitrate Explanation: Sodium Nitrate (NaNO3) is also known as Chile saltpeter or Peru saltpeter (due to the large deposits found in the Atacama desert in these countries) to ... , pyrotechnics and smoke bombs, glass and pottery enamels, food preservatives, and solid rocket propellant.

Description : The chemical name of baking soda is - (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium chloride (4) Sodium nitrate

Last Answer : (2) Sodium bicarbonate Explanation: Sodium bicarbonate (NaHCO3) is also known as baking soda. It is a chemical leavening agent which is added to baked goods before cooking to produce carbon dioxide and cause them to 'rise'.

Description : Which of the following substances undergoes chemical change on heating? (1) Sodium chloride (2) Silica (3) Lead nitrate (4) Platinum wire

Last Answer : (3) Lead nitrate Explanation: Lead nitrate on heating decomposes to lead monoxide, nitrogen dioxide and oxygen. NO2 is liberated, along with oxygen, as a reddish brown gas.

Description : What is the chemical name for `Baking Soda'? (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium nitrite (4) Sodium nitrate

Last Answer : (2) Sodium bicarbonate Explanation: Sodium bicarbonate or sodium hydrogen carbonate is the chemical compound with the formula NaHCO3. Sodium bicarbonate is a white solid that is crystalline but often ... It has a slightly salty, alkaline taste resembling that of washing soda (sodium carbonate).

Description : Which of the following chemicals is used in photography? (1) Aluminium hydroxide (2) Silver bromide (3) Potassium nitrate (4) Sodium chloride

Last Answer : (2) Silver bromide Explanation: Silver bromide (AOBr), a soil , pale-yellow, water insoluble salt well known (along with other silver hali(les) for its unusual sensitivity to light:. This ... making the Shroud of Turin. The salt can be found naturally as the mineral bromargyrite (bromyrite).

Description : The chemical name of 'Common salt' is (1) Sodium chloride (2) Sodium nitrate (3) Ammonium chloride (4) Calcium chloride

Last Answer : (1) Sodium chloride Explanation: Sodium chloride, also known as salt, common salt, table salt or halite, is an ionic compound with the formula NaCl, representing equal proportions of sodium and ... each ion is surrounded by six ions of, the opposite charge as expected on electrostatic grounds.

Description : What is the commercial name of sodium nitrate?

Last Answer : Chile salt petre

Description : The 'shanks system' of leaching (i.e., counter-current multiple contact leaching) is used for (A) Recovery of tannis from the tree barks and woods (B) Leaching sodium nitrate from Chilean nitrate bearing rock (C) Both (A) and (B) (D) Neither (A) nor (B)

Last Answer : (C) Both (A) and (B)

Description : Chemical name of vinegar is -------? A. Sodium Nitrate B. Dilute acetic acid (Answer) C. Chloride of lime D. Calcium E. None of these

Last Answer : B. Dilute acetic acid (Answer)

Description : silver nitrate is added to a solution of sodium chloride?

Last Answer : A solution of silver nitrate is added to a solution of sodium chloride, it produces a white insoluble precipitate of silver chloride.  AgNO3 (aq)+NaCl(aq)→AgCl(ppt)+NaNO3 (aq)

Description : Write the molecular formulae of: 1. Copper oxide 2. Iron (III) chloride 3. Sodium hydroxide 4. Iron (II) sulphide 5. Lead (II) oxide 6. Hydrogen nitrate (nitric ... Hydrogen sulphate (sulphuric acid) 8. Calcium hydroxide 9. Magnesium carbonate 10.Ammonium carbonate

Last Answer : 1. Copper oxide - CuO 2. Iron (III) chloride - FeCl3 3. Sodium hydroxide - NaOH 4. Iron (II) sulphide - FeS 5. Lead (II) oxide - PbO 6. Hydrogen nitrate (nitric acid) - HNO3 7. ... ) - H2SO4 8. Calcium hydroxide - Ca(OH)2 9. Magnesium carbonate - MgCO3 10.Ammonium carbonate - (NH4)2CO3

Description : Which of the following enhances or induces fusion of protoplasts? (a) IAA and kinetin (b) IAA and gibberellins (c) Sodium chloride and potassium chloride (d) Polyethylene glycol and sodium nitrate

Last Answer : (d) Polyethylene glycol and sodium nitrate

Description : Nitro-glycerine absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as controlled explosive called dynamite. The raw material used for its manufacture are glycerine, nitric acid and (A) Sulphuric acid (B) Phosphoric acid (C) Hydrochloric acid (D) Hydrofluoric acid

Last Answer : (A) Sulphuric acid

Description : What does air bags, used for safety of car driver contain? 1.sodium bicarbonate. 2.sodium azide 3.sodium nitrate 4.sodium peroxide

Last Answer : 2.sodium azide

Description : Which is the modified form of batteries in today’s electronic cars? A. Lithium ion B. Nickel iron C. Lead Acid D. Sodium Nitrate

Last Answer : A. Lithium ion

Description : Inside the ____ is a gas generator containing a mixture of NaN3 (Sodium Azide), KNO3 (Potassium Nitrate) and SiO2 (Silicon Dioxide). When the undesired event happens, an electric circuit is ... chemical reactions generate nitrogen gas that fills ____ in 20 to 30 milliseconds. Fill up the blank

Last Answer : Air-bags in automobiles.

Description : Which of the following compounds will be a nonelectrolyte when dissolved in water? w) sodium chloride x) potassium nitrate y) ethanol z) hydrogen chloride

Last Answer : ANSWER: Y -- ETHANOL 

Description : Which of the following is not a covalent network solid? w) silicon dioxide x) silicon oxide y) boron nitrate z) sodium oxide

Last Answer : ANSWER: D -- SODIUM OXIDE

Description : Which of the following compounds is ONLY WEAKLY soluble in cold water? w) Silver Nitrate x) Sodium Carbonate y) Sodium Chloride z) Lead Chloride

Last Answer : ANSWER: Z -- LEAD CHLORIDE 

Description : Chile saltpeter is the common name of: (1) Sodium nitrate (2) Potassium nitrite (3) Potassium nitrate (4) Sodium nitrite

Last Answer : Sodium nitrate

Description : The chemical name of ‘‘Hypo’’ commonly used in photography is (1) Sodium thiosulphate (2) Silver nitrate (3) Sodium nitrate (4) Silver iodide

Last Answer : Sodium thiosulphate

Description : The chemical name of baking soda is (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium chloride (4) Sodium nitrate

Last Answer : Sodium bicarbonate

Description : The chemical name of ‘Common salt’ is (1) Sodium chloride (2) Sodium nitrate (3) Ammonium chloride (4) Calcium chloride

Last Answer : Sodium chloride

Description : Which of the following chemicals is used in photography ? (1) Aluminium hydroxide (2) Silver bromide (3) Potassium nitrate (4) Sodium chloride

Last Answer : Silver bromide

Description : What is the chemical name for ‘Baking Soda’ ? (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium nitrite (4) Sodium nitrate

Last Answer : Sodium bicarbonate

Description : What is the chemical name for ‘baking soda’? (1) Sodium carbonate (2) Sodium bicarbonate (3) Sodium nitrite (4) Sodium nitrate

Last Answer : Sodium bicarbonate