Question

When you are balancing chemical reactions (equations'), what must you never touch?

The normal-looking numbers to the left of the molecules or compounds. The coefficients,
The numbers in subscript

Answer 1

the numbers in subscript

Step-by-step explanation:

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Answer 2

The correct answer option is: the number in subscript.

When you are balancing any chemical equation, you must never touch or change the number in subscript of the molecule of a chemical or compound as it will upset the composition.