WHEN 5G OF CALCIUM IS BURNT WITH 2G OF OXYGEN , THEN 7G OF CALCIUM OXIDE IS PRODUCED . WHAT MASS OF CALCIUM OXIDE WILL BE PRODUCED WHEN 5G OF CALCIUM IS BURNT IN 20G OF OXYGEN
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Solution

According to law of conservation of Mass; the total mass of is constant during a chemical reaction, i.e,
total mass of reactant = total mass of products.
Thus, any reaction can occur only when the mass of reactant used and product formed are equal.
so, in the given question, for the formation of CaO
the mass of reactants = mass of Ca + mass of O₂ = 5gm + 20gm = 25gm
Thus, the mass of product CaO= Mass of reactant = 25 gm.

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Q. When 5 gram of calcium is burnt in 2 gram of oxygen then 7 gram of calcium oxide is produced. What mass of calcium oxide will be produced when 5 gram of calcium is burnt in 20 gram of oxygen? Which law of chemical combination will govern your answer?

When 5g of calcium is burnt in 2g of oxygen then 7g of calcium oxide is produced. What mass of calcium oxide will be produced when 5g of calcium is burnt in 20g of oxygen? Which law of chemical combination will govern your answer?

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WHEN 5G OF CALCIUM IS BURNT WITH 2G OF OXYGEN , THEN 7G OF CALCIUM OXIDE IS PRODUCED . WHAT MASS OF CALCIUM OXIDE WILL BE PRODUCED WHEN 5G OF CALCIUM IS BURNT IN 20G OF OXYGENrn

WHEN 5G OF CALCIUM IS BURNT WITH 2G OF OXYGEN , THEN 7G OF CALCIUM OXIDE IS PRODUCED . WHAT MASS OF CALCIUM OXIDE WILL BE PRODUCED WHEN 5G OF CALCIUM IS BURNT IN 20G OF OXYGEN
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