Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equation. ______ + Cacl2 → H2O

Question

Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equation.

______ + Cacl2 → H2O

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Trúc Chi 5 months 2021-09-05T10:40:30+00:00 1 Answers 3 views 0

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  1. diemthu
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    2021-09-05T10:41:43+00:00
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    Answer: Ca(OH)_2+2HCl\rightarrow CaCl_2+2H_2O

    Explanation:

    Neutralization is a chemical reaction where an acid reacts with a base to form salt and water.

    According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side.

    The balanced chemical equation will be:

    Ca(OH)_2+2HCl\rightarrow CaCl_2+2H_2O

    Thus the reactants are calcium hydroxide (Ca(OH)_2 and hydrochloric acid (HCl)

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )