Question

calculate mass
9 moles of water

Answer 1

Answer:

0.5 moles

Explanation:

No. Of moles = given mass / molar mass

Molar mass of H=1 ,O=16

For H2O

Molar mass is =2×1+16=18

Given mass =9

No. Of moles= 9/18

= 1/2

=0.5 moles

Answer 2

Answer:

Molar mass of h2o is 18

Plz mark me as brainliest