Science, asked by shefa1028, 9 months ago

can you help me out,?

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Answered by physicssirAtharv

2

Explanation:

percentage mass = mass of solute / mass of solution × 100

solution = 20 + 160 = 180 g

then substituting in formula

mass% = 20/180 × 100

= 100/9

= 11.11 %

Answered by pragnya3952

1

Answer:

12.5

Explanation:

concentration = mass of solute × 100

__________________

mass of solution

= 20 × 100 ÷ 160

= 12 . 5 g

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