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25-10-2022
Chemistry

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Tính số gam H2SO4 nguyên chất có trong 500 mL dung dịch nếu khi chuẩn độ 25
mL dung dịch axit này phải dùng hết 22,8 mL dung dịch NaOH có độ chuẩn T = 0,004257 g/mL.

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