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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

1 litre of solvent

C

1 litre of solution

D

1000 g of solution

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The correct Answer is:
C
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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?

TARGET PUBLICATION-SOLUTIONS AND COLLIGATIVE PROPERTIES-Evaluation Test
  1. Molar solution means 1 mole of solute present in

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  2. In a flask at a certain temperature , there are 2g H(2) and 8 ...

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  3. An aqueous solution contains 25% acetic acid and 57% ethanol ...

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  4. 4.0 molar solution is obtained when 1.0 mole solute is dissolved ...

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  5. IF 45 mL of 0.2 M solution A is mixed with 60mL of a 0.3 M solu...

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  6. 1000g of aqueous solution of Na(2) CO(3) contains to g to sod...

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  7. The vapour pressure of pure benzene at 25^(@)C is 180 mm Hg. The...

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  8. A small amount of a non-volatile solute is dissilved in 64.5 cm^...

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  9. The vapour pressure of a certain pure liquid A at 298 K is 40 mbar. Wh...

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  10. A solution has 1:3 ratio of cyclopentane to cyclohexane . The va...

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  11. 0.3 molal aqueous solution of sucrose boils at 100.51 ^(@) C . Th...

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  12. A solution contains 0.524 g of camphor ( molar mass = 152 g/ mol...

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  13. 0.1 M solution each of glucose, sodium chloride, sodium sulphate...

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  14. The depession inn freezing point of a 5% aqueous solution of a s...

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  15. The depression of freezing point of a solvent (b.p:303 K) for a ...

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  16. Two elements A and B form compounds having molecular formula AB(2) and...

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  17. A solution containing 3.56 g of a polymer in 1 litre of a solve...

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  18. A solution of glucose containing 9.2 g/ litre (molecular weight ...

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  19. IF 10 g of solute was dissolved in 250 mL. of water and osmoti...

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  20. IF density of a solvent is greater than 1 kg dm^(-3) , then the ...

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  21. The vapour pressure will be lowest for .

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