Question

An impure sodium chloride sample contains 95g of pure sodium chloride and 5g of impurities. calculate the percentage purity if the sample.
Please help me

Answer 1

Explanation:

let the total g of sodium chloride = 100 g

impure sodium chloride = 5 g

pure sodium chloride = 100 g - 5 g

= 95 g

pure sodium chloride percentage = 95/100 ^ 100 %

= 95 %