johhnyappleseed2006
23.11.2019 •
Chemistry
20 g of nacl and 45 g of iron are mixed. what is the percent of nacl?
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Ответ:
100% = 65g
100% 65g
%NaCl 20g
%NaCl = 20g*100% / 65g ≈ 30,8%
Ответ:
hope it helps~