## (Solution document) 2H 2 (g) + O 2 (g)----->2H 2 O(I) a. If 3.5 moles of oxygen gas react with hydrogen, how many moles of water vapor will form?

2H2(g) + O2(g)----->2H2O(I)

a. If 3.5 moles of oxygen gas react with hydrogen, how many moles of water vapor will form?

b If 54.3 grams of water vapor form, how many moles of hydrogen gas are needed?

c. how many grams of oxygen gas will react with 15.2 grams of hydrogen gas?

If excess hydrogen is reacted with 25.3mL of oxygen gas how much water in millimeters is produced? Density values: water=9.98x10-1 g/mL Oxygen=1.3x10-3 g/mL

I need to see the work so I know how to do it. Not just the answers.

Thanks

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