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Chemistry, 16.06.2021 14:00 swelch2010
khi hòa tan một lượng oxit RO vào một lượng vừa đủ dung dịch H2SO4 4,9%, người ta thu được dung dịch muối có nồng độ 5,88%. Tìm công thức Oxit.
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khi hòa tan một lượng oxit RO vào một lượng vừa đủ dung dịch H2SO4 4,9%, người ta thu được dung dịch...
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