Question

According to the equation for this chemical reaction, what does the 2 in front of 2Ag tell us?

Answer 1

This quite literally means there's 2 Ag atoms in this chemical. This is just 2Ag, meaning 2 gold.

Answer 2

The numeric value '2' in front of 2Ag tell us that that there 2 atoms of silver or there are 2 moles of silver .

Step-by-step explanation:

A numeric value stated in before the chemical symbol of an element or compound in a balanced chemical reaction is said to be its stoichiometric coefficient.

This coefficient tells about the involvement of number of atoms or molecules or moles of the chemical substance in a chemical reaction.

The numeric value '2' in front of 2Ag tell us that that there 2 atoms of silver or there are 2 moles of silver .