In the equation:

mgcl2 + na3p -->

write the chemical formula for the compound that will be formed that contains sodium.

3 MgCl₂ + 1 Na₃P = 1 Mg₃P₂ + 6 NaCl

Explanation:

For MgCl2 + Na3P reagents to be used in a chemical reaction that forms NaCl, a balanced equation must be established. In this case, the equation will be:

3 MgCl₂ + 1 Na₃P = 1 Mg₃P₂ + 6 NaCl

Balancing a chemical equation means getting the stoichiometric coefficients right (the smallest positive integers that appear before the substances in the equations) so that the number of atoms of each element is equal on both sides of the equation, that is, the reactants (first member) and on products (second member).

This is important primarily because, as Lavoisier's law of conservation of masses says, "In a chemical reaction done in a sealed container, the sum of the reactant masses is equal to the sum of the product masses." This means that the atoms of the elements in the reactions do not appear out of nowhere, nor are they destroyed. But in fact, these atoms undergo a rearrangement, "shifting positions," as it were, because their previous bonds are undone and new chemical bonds are formed that give rise to the products.

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