Answer to Question #189086 in General Chemistry for Tyler Drotning

Question #189086

Calculate the mass of water formed when 4.6 g of oxygen gas reacts with excess hydrogen gas.


2H2+O2>2H2O


1
Expert's answer
2021-05-04T14:16:49-0400


balanced equation



Moles of oxygen =


= 0.14 mole


2 moles O2 gives 2 mole of H2O


0.14 mole O2 will give 0.14 mole of H2O

Mass of H2O = moles × molar mass

= 0.14×18

answer



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