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20 g of NaCl and 45 g of iron are mixed. What is the percent of NaCl?
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20 g of NaCl and 45 g of iron are mixed. What is the percent of NaCl?

User Mahani
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1 Answer

1 vote
100% = 20g + 45g
100% = 65g

100% ------------ 65g
%NaCl ---------- 20g

%NaCl = 20g*100% / 65g ≈ 30,8%
User PrazSam
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