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Reactant and product quantities

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How many grams of O2 are required to produce 255grams of SO2 in following reaction?4FeS2+11O2===> 2Fe2O3+8SO2
1. 1 answer
2. asked by Emmy
3. 433 views
2 KOH(l) + H3PO4(l) --> K2HPO4(l) + 2 H2O(l)a) How many mL of 0.450M KOH is needed to react with 60.0mL of 0.250M H3PO4? a)
1. 1 answer
2. asked by Shine bright shine far
3. 1,030 views