Question

To prepare 100g of a 20% weight solution of NAOH , the weight of water required

Answer 1

Explanation:

solution.

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Answer

Given mass of NaOH=16 grams → Solute.

Given mass of water = 100 grams → Solvent

Solubility (in g/100g) =

solvent

Mass

×100

=

100

16

×100=16

Solubility of the solution is 16(g/100g)

Weight Percentage =

massofsolution

MassofSolute

×100

(100+16)g

16g

×100

Weight percentage =1