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The equation is 2C4H10 + 13O2 --> 8CO2 + 10H2O

This means that for each mole of butane there are 5 moles of water produced.

We have 7.01 g of butane = 7.01/58 moles of butane = 0.12 moles.

Thus we will get 5 x 0.12 moles of water, = 5 x 0.12 x 18 g of water

= 10.88 g.

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6y ago
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7y ago

The mass of water produced when 5,33 g of butane reacts with excess oxygen is 8,25 g.

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The mass of water produced when 7,35 g of butane reacts with excess oxygen is 11,4 g.

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Q: What is the mass of water produced when 7.01 g of butane reacts in an excess of oxygen?
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