Question

What does the coefficient 2 in the following formula: 2H2O

Answer 1

two O atoms

Step-by-step explanation:

A coefficient multiplies the number of atoms of each element indicated in a chemical formula. Thus, 2H2O represents four H atoms and two O atoms. Now consider the number of oxygen atoms. There are four oxygen atoms on the right side of the arrow in the partially balanced equation.

Answer 2

A coefficient multiplies the number of atoms of each element indicated in a chemical formula. Thus, 2H2O represents four H atoms and two O atoms. Now consider the number of oxygen atoms. There are four oxygen atoms on the right side of the arrow in the partially balanced equation.

Explanation :hope it helps