Chemistry, 01.08.2021 21:20 mscharris66
1. Cần bao nhiêu tấn quặng pirit sắt chứa 90% FeS2 để điều chế 224 lít SO2 đktc. Biết H=90%. 2. Đốt cháy 2 tấn quặng pirit sắt chứa 15% tạp chất. H=75%. Tính VSO2 thu được đktc
Answers: 1
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If 16.00g of hydrogen gas reacts with 126.73g of oxygen, how many grams of water are yielded? (both reactants are completely consumed in the reaction.)
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To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %
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Which statement best describes isomers? a. isomers are alcohols that have the same functional group. b. isomers have at least one carbon-carbon double bond. c. isomers have the same molecular formula but different structural properties.
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1. Cần bao nhiêu tấn quặng pirit sắt chứa 90% FeS2 để điều chế 224 lít SO2 đktc. Biết H=90%. 2. Đốt...
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