ainguyen4994hg ainguyen4994hg

24-10-2022
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Hóa phân tích
Câu 8: a. Từ KNO3 tinh thể, hãy pha chế 200 ml dung dịch KNO3 có nồng độ 15%
(kl/kl) và 15% (kl/tt)?
b. Tính lượng natri cloride nguyên chất để pha được 3000 ml dung dịch natri
cloride 25%? (kl/kl).

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