Question

(6) Calculate the mass of 0.4 moles of water.​

Answer 1

Answer:

Since we know the formula :- 1 mole=g-molecular weight

So, 1 mole of water=18g

Hence,0.4 moles of water=0.4×18=7.2

Answer 2

Answer:

gmm of water----18

1 mole----->18g

0.4 moles---->18*0.4=7.2g