# Chemistry

Calculate the number of grams of propane (C3H8) consumed if 17.7 g of water is produced according to the reaction: C3H8(g)+5O2(g)=3CO2(g)+4H2O(g)

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1. Use the coefficients in the balanced equation to convert anything to anything.
17.7 g H2O x (1 mol C3H8/4 mols H2O) = 17.7 x 1/4 = ? mols C3H8.
Then g propane = mols propane x molar mass propane.

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posted by DrBob222
2. 4.425

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posted by timmy

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