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1. A particular test tube has a volume of 20.4 mL. If the test tube contains...

1. A particular test tube has a volume of 20.4 mL. If the test tube contains gas and 4.7 mL of water, what is the volume of the gas?

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Answer #1

    Total volume of tube = 20.4ml

    The test tube contains gas and water

The volume of gas and water = 20.4ml

volume of water                       = 4.7ml

Volume of gas = The volume of gas and water- volume of water

                           = 20.4-4.7   = 15.7ml

volume of gas     = 15.7ml

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