Home
Class 12
CHEMISTRY
If M,W and V represents molar mass of so...

If M,W and V represents molar mass of solute, mass of solute and volume of solution in litres respectively, which among following equations is true?

A

`pi = (MWR)/(TV)`

B

`pi = (TMR)(WV)`

C

`pi = (TMR)/(VM)`

D

`pi = (TRV)/(WM)`

Text Solution

Verified by Experts

The correct Answer is:
C
According to van'f Hoff solution equation
`pi V = n RT` but `n = W/M`
Hence `pi V = W/M RT` or `pi = (WRT)/(MV)`
Promotional Banner

Topper's Solved these Questions

  • MCQs FROM PREVIOUS BOARD QUESTION PAPERS

    NIKITA PUBLICATION|Exercise Chemical themodynamics and energetics|4 Videos

  • MCQs FROM PREVIOUS BOARD QUESTION PAPERS

    NIKITA PUBLICATION|Exercise Electrochemistry|2 Videos

  • MCQs FROM PREVIOUS BOARD QUESTION PAPERS

    NIKITA PUBLICATION|Exercise MCT-CET: 2015 (Solid State)|3 Videos

  • HALOALKANES AND HALOARENES

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|386 Videos

  • Multiconversion Questions

    NIKITA PUBLICATION|Exercise MCQs|58 Videos

Similar Questions

Explore conceptually related problems

If M,W and V represent molar mass of solute then mass of solute and volume of solution in litres respecitively which among following equation is true ?

Calculate molarity from mass and volume: A solution is prepared from 22.5 g of glucose (C_(6)H_(12)O_(6)) and enough water for a volume of 250 cm^(3) . Find the molarity of the glucose. Strategy: We first convert mass glucose to moles, because the molarity equals moles of solute (giucose) divided by volume of solution in litres. To calculate moles, we must divide the given mass of glucose by its molar mass. Molar is gram atomic mass (if solute consists of atoms), gram molecular mass (if solute consists of molecules) or gram formula mass (if solute consista of formula units) Gram atomic mass is the mass in grams, numerically equal to the atomic mass expressed in amu. Gram molecular mass is the mass in grams, which is numerically equal to the molecular mass expressed in amu. Gram formula mass is the mass in grams, numerically equal to formula mass expressed in amu.

Percent by mass of solute (molar mass = 25 g/mol) in its aqueous solution is 30. The mole fraction and molality of the solute in solution are

Express the terms representing the following formulae . (i) "No. of moles of solute"/"Volume of solution in litres"=(W) (ii) "No. of moles of solute"/"Mass of solvent in kg"=(X) (iii) "No. of moles of component"/"Moles in the solution"=(Y) (iv) "Mass of component"/"Mass of solution"=(Z)

A solutions of urea is 10% "w/v" (mol.wt.= "60" ). The volume of the solution in which one mole of urea is present