A student heats calcium carbonate to produce calcium oxide, according to the following equation: CaCO3 (s) ➔ CaO (s) + CO2 (g)
If the student starts with 100.0 grams of CaCO3 and makes 45.0 g of CaO, what is his percent yield?

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Phosphorous can form an ion called phosphide, which has the formula p3−. this ion can form an ion called phosphide, which has the formula p3−. this ion properties very similar to those of pforms when a phosphorus atom loses three protonsis called a cationcontains 18 electrons