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25 June, 15:50

How many grams of oxygen gas will react completely with a block of calcium metal that is 3.0 cm by 3.5 cm by 4.2 cm, if the density of calcium is 1.55 g/mL?

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  1. 25 June, 18:45
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    First find the mass

    44.1 ml @ 1.55 g/mL = 68.355 grams of Ca

    the equation

    Ca + O2 → CaO

    = 55 grams of O2
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