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Chemistry, 15.06.2021 14:40 jfy3341

Hoà tan x gam NaCl vào 180g nước thu được dung dịch NaCl 10%. a) Tính khối lượng của NaCl đã pha.
b) Tính khối lượng dung dịch NaCl sau khi pha.

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Hoà tan x gam NaCl vào 180g nước thu được dung dịch NaCl 10%. a) Tính khối lượng của NaCl đã pha. <...

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