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An evacuated 276 mL glass bulb weighs 129.6375 g. Filled with an unknown gas, the bulb weighs 130.0318 g. ?

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Calculate the gas density in g/L, and express it with an appropriate number of significant figures.

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  1. 130.0318-126.6375=0.3943g (mass of gas)

    0.3943g/276 mL x 1000mL/L= 1.43 g/L

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