01 Solution Part 01 molarity molality for 11th 12th IIT JEE NEET PGT

4 g of NaOH are present in 0.1 dm^(3) solution have (a) mole fraction of NaOH , (b) molality of NaOH solution, (c ) molarity of NaOH solution, (d) normality of NaOH solution.

In a row of 21 girls, when Monika was shifted by four places towards the right, she became 12th from the left end. What was her earlier position from the right end of the row? 1) 9th 2) 10tth 3) 11th 4) 12th 5) 14th

Why is the elevation in b.p. of water different in the following solutions? (i) 0.1 molar NaCl solution. (ii) 0.1 molar sugar solution

The molality of a solute in a solvent (molar mass, 20g mol^(-1)) is 0.1 mol kg^(-1) . What is the mole fraction of the solute?