Chemistry, 17.06.2021 18:40 jazminecousart3
Cho 10g MgO tác dụng vừa đủ với dung dịch H2SO4 25% a) tính C% của dung dịch muối thu được sau phản ứng? b) làm lạnh dung dịch xuống 20 độ C thấy tách ra 11,4g muối, dung dịch còn lại có độ tan 33,06g. Xác định công thức muối thu được.
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Cho 10g MgO tác dụng vừa đủ với dung dịch H2SO4 25% a) tính C% của dung dịch muối thu được sau phản...
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