Question

find the percent mass of 40g salt in a 100g salt solution

Answer 1

Answer:20%

Explanation:Given ;

mass of solution = 100 g

mass of solute = 20 g

mass % = (mass of solute/mass of solution) × 100

= (20/100) ×100

= 1/5 × 100

= 100/5

= 20 %

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