caokhanh caokhanh

21-06-2024
Chemistry

Answered

Trong thí nghiệm nhiệt hoà tan và nhiệt ngậm nước,Có cần thiết phải cân chính xác 8, 10, 12 gam hoá chất hay không? Nếu cân CuSO4 và CuSO4.5H2O chênh lệch nhau nhiều có được không? Tại sao?

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