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juin [17]
3 years ago
10

During an experiment, a student observes the formation of a precipitate. Why does this indicate that a chemical reaction is like

ly occurring
Chemistry
1 answer:
My name is Ann [436]3 years ago
8 0

A. A solid forms, and there is a change of color.

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Answer:

c.- How much of the reactants are needed and how much product will made.

Explanation:

The moles is the matter unit used in chemistry to simplify  some calculations, instead of using grams. Also the moles are very useful because the chemical reaction can be balanced.

When a Chemical reaction is balanced, then it can be easily to calculate how many moles are necessary to add in a process to obtain a quantity of grams of a product.

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The answer is TRUE.

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