need help with chem hw asap
Posted: Sun May 22, 2022 8:13 pm
need help with chem hw asap
4.00 g of manganese (element 25) reacts with 10.00 g of oxygen gas in the following reaction: 2 Mn (s) + 3 O2(g) → 2 MnO2 (s) a) What is the excess reactant? (Show your work for credit.) b) Calculate the mass of the excess reactant that remains at the end of the reaction (in grams).
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