Chemistry, 23.07.2021 07:10 Ezekielcassese

Cặp chất nào sau đây có thể dùng để điều chế so2 trg phòng thí nghiệm a al và h2so3 loãng
b NAOH và dung dịch hcl
c na2so4 và dung dịch hcl
d na2so3 và dd hcl

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Cặp chất nào sau đây có thể dùng để điều chế so2 trg phòng thí nghiệm a al và h2so3 loãng
b N...

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Cặp chất nào sau đây có thể dùng để điều chế so2 trg phòng thí nghiệm a al và h2so3 loãng b NAOH và dung dịch hcl c na2so4 và dung dịch hcl d na2so3 và dd hcl

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Cặp chất nào sau đây có thể dùng để điều chế so2 trg phòng thí nghiệm a al và h2so3 loãng
b NAOH và dung dịch hcl
c na2so4 và dung dịch hcl
d na2so3 và dd hcl