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Molar solution means 1 mole of solute pr...

Molar solution means 1 mole of solute present in

A

1000 g of solvent

B

1000 g of solution

C

1 litre of solvent

D

1 litre of solution

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The correct Answer is:
D
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Assertion (A): A molar solution is more concentrated than molal solution. Reason (R): A molar solution contains one mole of solute in 1000 mL of solution.

The concentrations of soluitons can be expressed in number of ways , viz : mass fraction of solute (or mass percent), Molar concentration (Molarity ) and Molal concentration (molality). These terms are known as concentration terms and also they are related with each otehr i.e., knowing one concentration terms for the solution, we can find other concentration terms also. the definition of different cencentration terms are given below: Molarity : It is number of moles of solute present in one litre of the solution. Molality : It is the number of moles of solute present in one kg of the solvent. Mole fraction =("Mole of solute")/("Moles of solute" + "Moles of solvent") If molality of the solution is given as a, then mole fraction of the solute can be calculated by Mole Fraction =(a)/(a+(100)/(M_("solvent"))),=(axxM_("solvent"))/((a xx M_("solvent")+1000)0 where a=molality and M_("solvent") =Molar mass of solvent We can change : Mole fraction hArr Molality hArr Molarity What is the mole fraction of the solute?

The concentrations of soluitons can be expressed in number of ways , viz : mass fraction of solute (or mass percent), Molar concentration (Molarity ) and Molal concentration (molality). These terms are known as concentration terms and also they are related with each otehr i.e., knowing one concentration terms for the solution, we can find other concentration terms also. the definition of different cencentration terms are given below: Molarity : It is number of moles of solute present in one litre of the solution. Molality : It is the number of moles of solute present in one kg of the solvent. Mole fraction =("Mole of solute")/("Moles of solute" + "Moles of solvent") If molality of the solution is given as a, then mole fraction of the solute can be calculated by Mole Fraction =(a)/(a+(100)/(M_("solvent"))),=(axxM_("solvent"))/((a xx M_("solvent")+1000)0 where a=molality and M_("solvent") =Molar mass of solvent We can change : Mole fraction hArr Molality hArr Molarity Percentage (weight/vol) of NaCl persent in the solution is :

The concentrations of soluitons can be expressed in number of ways , viz : mass fraction of solute (or mass percent), Molar concentration (Molarity ) and Molal concentration (molality). These terms are known as concentration terms and also they are related with each otehr i.e., knowing one concentration terms for the solution, we can find other concentration terms also. the definition of different cencentration terms are given below: Molarity : It is number of moles of solute present in one litre of the solution. Molality : It is the number of moles of solute present in one kg of the solvent. Mole fraction =("Mole of solute")/("Moles of solute" + "Moles of solvent") If molality of the solution is given as a, then mole fraction of the solute can be calculated by Mole Fraction =(a)/(a+(100)/(M_("solvent"))),=(axxM_("solvent"))/((a xx M_("solvent")+1000)0 where a=molality and M_("solvent") =Molar mass of solvent We can change : Mole fraction hArr Molality hArr Molarity What is the molality of the above solution?

The molarity of a 250 mL solution is 0.5 M. The amount of solute present in it is ______ g. (molecular weight of the solute = 58)

The concentrations of soluitons can be expressed in number of ways , viz : mass fraction of solute (or mass percent), Molar concentration (Molarity ) and Molal concentration (molality). These terms are known as concentration terms and also they are related with each otehr i.e., knowing one concentration terms for the solution, we can find other concentration terms also. the definition of different cencentration terms are given below: Molarity : It is number of moles of solute present in one litre of the solution. Molality : It is the number of moles of solute present in one kg of the solvent. Mole fraction =("Mole of solute")/("Moles of solute" + "Moles of solvent") If molality of the solution is given as a, then mole fraction of the solute can be calculated by Mole Fraction =(a)/(a+(100)/(M_("solvent"))),=(axxM_("solvent"))/((a xx M_("solvent")+1000)0 where a=molality and M_("solvent") =Molar mass of solvent We can change : Mole fraction hArr Molality hArr Molarity What is the molarity of solutions if density of solution in 1.6 gm/ml?

MODERN PUBLICATION-SOLUTIONS-REVISION EXERCISES (MULTIPLE CHOICE QUESTIONS)
  1. Which of the following solutions shows maximum depression in freezing ...

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  2. The number of moles of NaCl in 3 litres of 3 M solution is:

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  3. CaCl(2) is used as

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  4. For solutes which do not undergo any association or dissociation in a ...

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  5. Which of the following 0.1 m aqueous solution is likely to have the...

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  6. Which of the following aqueous solutions will have the minimum freezi...

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  7. Which has the minimum freezing point ?

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  8. Mole fraction of a solute in 2.5 molal aqueous solution is

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  9. Which of the following is not ture for acidic solutions at room temper...

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  10. Two solutions A and B are separated by semipermeable membrane. If liqu...

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  11. The van't Hoff factor i for a compound which undergoes dissociation in...

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  12. At the higher altitudes the boiling point of water lowers because

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  13. Maximum amount of a solid slute that can be dissolved in a specified a...

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  14. Low concentration of oxygen in the blood ndtissues of people living at...

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  15. The units of ebullioscopic constant is.

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  16. Molar solution means 1 mole of solute present in

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  17. Increasing the temperature of an aqueous solution wil case

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  18. Colligative properties depend on

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  19. Molal elevation constant.

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  20. Which of the following has highest value of Van't Hoff factor?

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