Cho 2,7g Al phản ứng vừa đủ với dung dịch H2SO4 20%.
a) Tính thể tích khí thu được ở đktc.
b...
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Chemistry, 09.11.2021 03:00 karenjunior
Cho 2,7g Al phản ứng vừa đủ với dung dịch H2SO4 20%.
a) Tính thể tích khí thu được ở đktc.
b)Tính khối lượng dung dịch H2SO4 20% cần dùng.
c)Tính nồng độ phần trăm của dung dịch thu được sau phản ứng
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