Question

In the chemical reaction below, calcium metal and water react to form calcium hydroxide and hydrogen gas.

calcium metal + water - calcium hydroxide + hydrogen gas
Calcium and water are the reactants in this chemical reaction, whereas calcium hydroxide and hydrogen gas are the products that
are formed. Once the reaction reaches completion,

Answer 1

the total mass of the products will be equal to the original mass of the reactants.

Step-by-step explanation:

Answer 2

Ca+2HOH=Ca(OH)₂+H₂↑

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