The mass ratio of calcium to oxygen in calcium oxide is 52


The mass ratio of calcium to oxygen in calcium oxide is 5/2. if the reaction of equal masses of calcium and oxygen produces 28g of calcium oxide,

a) What will be the mass of each element with which the reaction is started?

b) Which element remains unreacted? how many grams?

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Chemistry: The mass ratio of calcium to oxygen in calcium oxide is 52
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