How many water molecules are in 2.1 moles of water? Question 5 options:

2.86 x 10^23

3.4 x 10^23

0.34 x 10^23

1.26 x 10^24

Achemical reaction is done in the setup shown, resulting in a change of mass. what will happen if the same reaction is done in a sealed container that is placed on the electronic balance?