Chemistry, 19.01.2022 14:00, toxsicity

2 H2(g) + O2 (g) -> 2 H2O(g) if you have 4.5 g of H2 and 2.1 moles of O2, what is the limiting reagent

How many grams of leftover reagents, if any?

How much volume would the product take up at STP?

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2 H2(g) + O2 (g) -> 2 H2O(g) if you have 4.5 g of H2 and 2.1 moles of O2, what is the limiting...