Description : A dilute solution of `H_(2)SO_(4)` is made by adding 5 mL of `3N H_(2)SO_(4)` to 245 mL of water. Find the normality and molarity of the diluted solut
Last Answer : A dilute solution of `H_(2)SO_(4)` is made by adding 5 mL of `3N H_(2)SO_(4)` ... of water. Find the normality and molarity of the diluted solution.
Description : 2.5 liters of a sodium chloride (NaCl) solution contain 5 moles of the solute. What is the molarity? w) 5 molar x) 2 molar y) 2.5 molar z) 12.5 molar
Last Answer : ANSWER: X -- 2 MOLAR
Description : What 103.468 liters rounded to the nearest liter?
Last Answer : 1
Description : Shan bought 30 liters of milk at the rate of Rs.8 per liter. He got it churned after spending Rs.10 and 5kg of cream and 30 liter of toned milk were obtained. If he sold the cream at Rs.30 per kg and toned milk at Rs.4 per liter, his profit in the transaction is: A. 20% B. 8% C. 30% D. 40%
Last Answer : Answer – B .8% Explanation: CP =Rs.(30 x 8 + 10) = Rs.250 SP = Rs. (30 x 5 + 30 x 4) = Rs.270 Gain% = (20/250 x 100)% = 8%
Description : You have to measure exactly 4 liters of water, but you only have a 3-liter bottle and a 5-liter bottle. How do you do it?
Last Answer : Fill the 3-litre bottle and pour it into the empty 5-litre bottle. Fill the 3-litre bottle again, and pour enough to fill 5-litre bottle. This leaves exactly 1 litre in the 3-litre bottle. Empty the ... 3-litre bottle and pour it into the 5-litre bottle. The 5-litre bottle now has exactly 4 litres.
Description : Molarity and Molality of a solution of an liquid (mol. Wt. = 50) in aqueous solution is 9 and 10 respectively. What is the density of solution ?
Last Answer : Molarity and Molality of a solution of an liquid (mol. Wt. = 50) in aqueous solution is 9 and 10 respectively. What ... /cc C. 1.05 g/cc D. 1.35 g/cc
Description : An 18-year-old man shot once in the left chest has a blood pressure of 80/50 mm. Hg, a heart rate of 130 beats per minute, and distended neck veins. Immediate treatment might include: A. ... of the left chest in the second intercostal space. D. Emergency thoracotomy to cross-clamp the aorta.
Last Answer : Answer: AC DISCUSSION: The finding of distended neck veins in conjunction with hypotension should suggest tension pneumothorax or pericardial tamponade. Absent ipsilateral breath sounds and a trachea ... injuries. There is no role for aortic cross-clamping in this scenario of cardiogenic shock
Description : Battery acid `(H_(2)SO_(4))` has density 1.285 g `cm^(-3)` , 10.0 `cm^(3)` of this acid is diluted to 1L . 25.0 `cm^(3)` of this diluted solution requ
Last Answer : Battery acid `(H_(2)SO_(4))` has density 1.285 g `cm^(-3)` , 10.0 `cm^(3)` of this acid is diluted ... the battery acid is : A. 98 B. 38 C. 19 D. 49
Description : If 1.8 L of water is added to 2.5 L of a 7.0 M KOH solution what is the molarity of the new solution?
Last Answer : If 1.8 L of water is added to 2.5 L of a 7.0 M KOH solution,what is the molarity of the new solution?
Description : The percentage degree of hydrolysis of a salt of weak acid (HA) and weak base (BOH) in its 0.1 M solution is found to be `10%.` If the molarity of the
Last Answer : The percentage degree of hydrolysis of a salt of weak acid (HA) and weak base (BOH) in its 0.1 M solution is ... A. `5%` B. `10%` C. `20%` D. none
Description : What is the molarity of 10.0 g of KCl in 0.500 L of solution?
Last Answer : The molarity is 0,268.
Description : What is the molarity of a solution that contains 0.40 mol HCl in 9.79 L solution?
Last Answer : The molarity is 0,041
Description : What is the molarity of a soloution which contains 22.41 grams of NaCl in 50.0 mL of soloutuon?
Last Answer : 0.4482
Description : If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is A. 50 mg/l B. 100 mg/l C. 150 mg/l D. 250 mg/l
Last Answer : ANS: D
Description : PH is the negative logarithm of the hydrogen Ion Concentration express4ed in moles/liter of aqueous solution. PH of buffer solution is calculated by. Henderson's equation Name the best ... Chemical kinetics deals with study of. Rates and mechanisms of chemical and Biochemical reactions
Last Answer : What does Thermodynamics helps in predicting ?
Description : How many grams per liter would there be in a 0.35 N (Normality) Citric acid solution?
Last Answer : The normality of a solution is the number of gram-equivalent weights of the dissolved substance per liter of solution. The gram-equivalent weight of the dissolved substance is the molecular weight of the dissolved ... would have (0.35)(64.4) = 22.41 grams of citric acid per liter of solution.
Description : What is molarity solution ?
Last Answer : The number of moles of dissolved solution per liter of a solution is called the molarity of that solution.
Description : The relation between molarity (M) and molarity (m) is given by : (`rho` = density of solution (g/mL), `M_(1)` = molecular weight of solute) :-
Last Answer : The relation between molarity (M) and molarity (m) is given by : (`rho` = density of solution (g/mL), `M_(1 ... ))` D. `m = (1000M)/(1000rho -MM_(1))`
Description : In the titration of `K_(2)Cr_(2)O_(7)` and ferrous sulphate, following data is obtained: `V_(1)` mL of `K_(2)Cr_(2)O_(7)` solution of molarity `M_(1)`
Last Answer : In the titration of `K_(2)Cr_(2)O_(7)` and ferrous sulphate, following data is obtained: `V_(1)` mL of `K_(2)Cr_ ... V_(2)` D. `M_(1)V_(1)=M_(2)V_(2)`
Description : What is the molarity of a solution made by dissolving 6 moles of naoh in 3 kg?
Last Answer : Need answer
Description : What is the molarity of 5.60 mol of sodium carbonate in 1500 ml of solution?
Last Answer : Molarity = moles of solute/Liters of solution ( 1500 mL = 1.5 Liters ) Molarity = 0.800 moles NaOH/1.5 Liters = 0.533 M sodium hydroxide ...
Description : For a solution of volatile liquids, the partial vapour pressure of each component in solution is directly proportional to its (a) Molarity (b) Mole fraction (c) Molality (d) Normality
Last Answer : Ans:(b)
Description : Why does molality of a solution remain unchanged with change in temperature while its molarity changes?
Last Answer : Molality of a solution depends on the mass of solvent and man does not vary with change in temp. where as molarity depends on volume of solution and volume change with change in temp.
Description : One of the following ways of expressing the concentration of a solution does not depend on temperature. It is-----? A. Molarity B. Molality (Answer) C. Normality D. Formality
Last Answer : B. Molality (Answer)
Description : Define Molarity of solution and how it is calculated?
Last Answer : Molarity of solution= It is the number of gram moles of solute present in one litre of solution. M= gram moles of solute/ volume of solution in litres
Description : 20 gram of caustic soda are dissolved in water to prepare 500 ml of solution. Find the normality and molarity of solution.
Last Answer : Basis: 500 ml solution. Weight of solute = 20 gm Molecular weight of NaOH = 40 Gram moles of solute = 20/40 = 0.5 Molarity = Gram moles/ Volume of solution in lit 0.5/0.5 = 1 M Normality = gram equivalent of solute/ volume of solution in lit = 0.5/0.5 = 1N
Description : Define Molarity of solution.
Last Answer : Molarity of solution= gram moles of solute/ volume of solution in litre
Description : Moles of solute divided by kilograms of solvent is expression for: w) molarity x) solute-to-solution ratio y) mole percentage z) molality
Last Answer : ANSWER: Z -- MOLALITY
Description : What is the molarity of a salt solution prepared b dissolving three moles of salt in 500 milliliters of water? w) 1 x) 2 y) 4 z) 6
Last Answer : ANSWER: Z -- 6
Description : Calculate the convection current when electron density of 200 units is travelling at a speed of 12m/s. a) 16.67 b) 2400 c) 2880 d) 0.0
Last Answer : b) 2400
Description : Find the force on a conductor of length 12m and magnetic flux density 20 units when a current of 0.5A is flowing through it. a) 60 b) 120 c) 180 d) 200
Last Answer : b) 120
Description : The amount of wet NaOH containing 15% water required to prepare 70 liters of 0.5 N solution is:
Last Answer : The amount of wet NaOH containing 15% water required to prepare 70 liters of 0.5 N solution is: A. 1.65 kg B. 1.4 kg C. 16.5 kg D. 140 kg
Description : Number of gram equivalents of solute per liter of solution is called C A. Simple solution B. Molar solution C. Normal solution D. Molal solution
Last Answer : Normal solution
Description : Number of gram equivalents of solute per liter of solution is called a. Normal solution b. Molar solution c. molal solution d. simple solution
Description : Number of grams of solute per liter of solution is called a. Normal solution b. Molar solution c. Molal solution d. simple solution
Last Answer : Molar solution
Description : The molecular weight of H2SO4 is 98. How many grams of H2SO4 are contained in 1 liter of a 1 Normal solution?
Last Answer : ANSWER: 49 grams of H2SO4
Description : Normality is defined as the number of: w) moles of solute per 1000 grams of solvent x) equivalent weights of solute per liter of solution y) kilograms of solute per liter of solution z) moles of solute per 1000 grams of solution
Last Answer : ANSWER: X -- EQUIVALENT WEIGHTS OF SOLUTE PER LITER OF SOLUTION
Description : 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 dayincubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is A. 100 mg/l B. 200 mg/l C. 300 mg/l D. 400 mg/l
Last Answer : ANS: C
Description : What is 6m and 12m surface area on a cylinder?
Last Answer : 286.3
Description : How do you factorise 8x plus 12m?
Last Answer : It is: 4(2x+3m) when factorised
Description : What is the gcf of 12m 15m and 30m?
Last Answer : The GCF is: 3m
Description : Afety regulations say that there should be at least 12m3 for each person in a room where people sleep.A room is 12m long,15 m wide and 5m high.What is the maximum number of people who can sleep in it safely?
Last Answer : length room =12m breadth room =15m height room =5m volume =LxBxH 12X15X5 =900 if 12 m3 space for each person then total number of people =900m2/12m3 = 75 people
Description : Find the electric field when the velocity of the field is 12m/s and the flux density is 8.75 units. a) 510 b) 105 c) 150 d) 165
Last Answer : b) 105
Description : Find the resistivity of a material having resistance 20kohm, area 2 units and length of 12m. a) 6666.6 b) 3333.3 c) 1200 d) 2000
Last Answer : b) 3333.3
Description : A bayabas falls from a branch 5m above the ground with what speed in meter per second does it strike the ground assume g = 10m/s². a. 11m/s b. 12m/s c. 13m/s d. 10m/s ∫KE = mV2/2gc
Last Answer : 10m/s
Description : The vertical spacing between ties must be no more than? a. 8m (26 feet) b. 10m (33 feet) c. 12m (39 feet) d. 6m (20 feet)
Last Answer : a. 8m (26 feet)
Description : Definition of minor bridge e) Single span less than 12m f) Total linear water way less than 18m g) Both a) & b)* h) None of the above
Last Answer : g) Both a) & b)*