What is molar mass?

What is molar mass?
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Ans. The mass of one mole of a substance is called its molar mass.
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Last Answer : 1R×1a = Conductance (C) × Cell constant Molar conductance : (Λm) = K×1000c.

Express the relation between conductivity and molar conductivity of a solution held in a cell. -Chemistry

Description : Express the relation between conductivity and molar conductivity of a solution held in a cell. -Chemistry

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Description : What is meant by ‘limiting molar conductivity’? -Chemistry

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cm. What is molar solution ?

Description : cm. What is molar solution ?

Last Answer : : If half a mole ( 0.5 mole) of liquid per liter volume of a solution is dissolved at a given temperature , then the solution should be dissolved in cm. Called molar solution.

What is molar solution ?

Description : What is molar solution ?

Last Answer : Molar solution: If one mole of liquid is dissolved in one liter of solution, it is called 1 molar solution. For example, if 32 grams of oxygen per liter is dissolved.

Classify the following properties as extensive and intensive properties: Molar heat capacity, temperature, enthalpy and volume.

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What will be the molar volume of nitrogen and argon at 273.15 K and 1atm pressure?

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FeSO4 solution mixed with (NH4 ) 2 SO4 solution in 1 : 1 molar ratio gives the test of Fe2+ ion but CuSO4 solution mixed with aqueous ammonia in 1 : 4 molar ratio does not give the test of Cu2+ ion. Explain why ?

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Which will have greater molar conductivity ? Solution containing 1 mol KCl in 200 cc or 1 mol of KCl in 500 cc.

Description : Which will have greater molar conductivity ? Solution containing 1 mol KCl in 200 cc or 1 mol of KCl in 500 cc.

Last Answer : Ans. 1 mol of KCl in 500 cc. 

A molar solution is one that contains one mole of a solute in [IIT 1986] (A) 1000 g of the solvent (B) One litre of the solvent (C) One litre of the solution (D) 22.4 litres of the solution

Description : A molar solution is one that contains one mole of a solute in [IIT 1986] (A) 1000 g of the solvent (B) One litre of the solvent (C) One litre of the solution (D) 22.4 litres of the solution

Last Answer : (C) One litre of the solution

The difference in the osmotic pressures of one molar solutions of different compounds in a given solvent at a given temperature results from? w) Different values for R x) Different values for Avogadro's number y) Ionization or dissociation z) None of the above

Description : The difference in the osmotic pressures of one molar solutions of different compounds in a given solvent at a given temperature results from? w) Different values for R x) Different values for Avogadro's number y) Ionization or dissociation z) None of the above

Last Answer : ANSWER: Y -- IONIZATION OR DISSOCIATION 

The compound which would have the greatest molar effect on the colligative properties of a dilute solution would be: w) CaCl2 x) NaCl y) C6H12O6 z) Benzene

Description : The compound which would have the greatest molar effect on the colligative properties of a dilute solution would be: w) CaCl2 x) NaCl y) C6H12O6 z) Benzene

Last Answer : ANSWER: W -- CaCl2

Calcium carbonate is most soluble in: w) 0.2 Molar Sodium carbonate x) 0.1 Molar Calcium chloride y) 0.1 Molar Sodium hydroxide z) 0.1 Molar Hydrochloric acid

Description : Calcium carbonate is most soluble in: w) 0.2 Molar Sodium carbonate x) 0.1 Molar Calcium chloride y) 0.1 Molar Sodium hydroxide z) 0.1 Molar Hydrochloric acid

Last Answer : ANSWER: Z -- 0.1 MOLAR HYDROCHLORIC ACID

The energy required to melt one mole of a solid at its melting point is called one of the following. w) the molar heat of fusion x) the molar hear of vaporization y) the molar heat of capacity z) the melting point

Description : The energy required to melt one mole of a solid at its melting point is called one of the following. w) the molar heat of fusion x) the molar hear of vaporization y) the molar heat of capacity z) the melting point

Last Answer : ANSWER: W -- THE MOLAR HEAT OF FUSION

A sample of grapefruit juice at 25 degrees Celsius has a hydronium concentration of 1.78 X 10-3 molar. What is the pH of the solution? w) 2.22 x) 2.75 y) 3.25 z) 6.33

Description : A sample of grapefruit juice at 25 degrees Celsius has a hydronium concentration of 1.78 X 10-3 molar. What is the pH of the solution? w) 2.22 x) 2.75 y) 3.25 z) 6.33

Last Answer : ANSWER: X -- 2.75

If one begins with a 12 Normal solution of HCl and wishes to make a 2 Molar solution, what will be the ratio of 12N HCl to the final solution volume?

Description : If one begins with a 12 Normal solution of HCl and wishes to make a 2 Molar solution, what will be the ratio of 12N HCl to the final solution volume?

Last Answer : ANSWER: 1:6

The molar volume of which two elements is the same at standard temperature and pressure? w) fluorine and bromine x) fluorine and iodine y) fluorine and chlorine z) bromine and iodine

Description : The molar volume of which two elements is the same at standard temperature and pressure? w) fluorine and bromine x) fluorine and iodine y) fluorine and chlorine z) bromine and iodine

Last Answer : ANSWER: Y -- FLUORINE AND CHLORINE

What is the pH of an aqueous solution of 0.1 molar HCl? w) 7 x) 13 y) 1 z) 3

Description : What is the pH of an aqueous solution of 0.1 molar HCl? w) 7 x) 13 y) 1 z) 3

Last Answer : ANSWER: Y -- 1

The pH of a 0.005 molar solution of calcium hydroxide is:

Description : The pH of a 0.005 molar solution of calcium hydroxide is:

Last Answer : ANSWER: 12

Which of the following molecules would have the smallest molar enthalpy of vaporization? w) Water x) Formaldehyde y) Methane z) Ammonia

Description : Which of the following molecules would have the smallest molar enthalpy of vaporization? w) Water x) Formaldehyde y) Methane z) Ammonia

Last Answer : ANSWER: Y -- METHANE

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

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 

You have a solution of 5 molar Sodium Phosphate and n to prepare a solution of 500 millimolar Sodium Phosphate. How much water would you add to 100 milliliter of the original 5 molar solution to produc the 500 millimolar solution?

Description : You have a solution of 5 molar Sodium Phosphate and n to prepare a solution of 500 millimolar Sodium Phosphate. How much water would you add to 100 milliliter of the original 5 molar solution to produc the 500 millimolar solution?

Last Answer : ANSWER: 900 MILLILITERS (or 0.9 LITERS)

Pure water is approximately what molar concentration: w) .55 Molar x) 5.5 Molar y) 55 Molar z) 550 Molar

Description : Pure water is approximately what molar concentration: w) .55 Molar x) 5.5 Molar y) 55 Molar z) 550 Molar

Last Answer : ANSWER: Y -- 55 MOLAR