Chemistry
Chemistry, 08.09.2021 14:00, 4300252063

Để trung hoà 50 ml hỗn hợp X gồm HCl và H2SO4 cần dùng 20 ml dung dịch NaOH 0,3M. Cô cạn dung dịch sau khi trung hoà thu được 0,381 gam muối khan. a) Xác định nồng độ mol của các axit trong X. b) Tính pH của dung dịch X.

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Để trung hoà 50 ml hỗn hợp X gồm HCl và H2SO4 cần dùng 20 ml dung dịch NaOH 0,3M. Cô cạn dung dịch s...

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