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Chemistry, 02.08.2021 14:00 enitramedouard12

Hòa tan vừa đủ 27g hh gồm Al và FeO trong 400g dd H2SO4 thu được dd A và khí B. lượng khí B khử vừa đủ 16g Fe2O3 nung nóng a, tính nồng độ % dd h2so4 đã pư
b, tính nồng độ % mỗi chất tan trong dd a

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Hòa tan vừa đủ 27g hh gồm Al và FeO trong 400g dd H2SO4 thu được dd A và khí B. lượng khí B khử vừa...
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