Question

A solution is prepared by dissolving 4g NaOH
in 900ml of water .
calculate (i) mole fraction
(ii) molarity
(iii) Molality
(iv) Mass percentage​

Answer 1

Answer:

Mass of NaOH = 4 g <br> Molar mass of NaOH

<br> No. of moles of

mol <br> Volume of solution = 500 mL

<br> Molarity of solution

.