Question

How many molecules of H2O are in 8.54 moles of H2O?

Select one:
a)5.14 * 10^24 molecules H2O
b)2.86 * 10^23 molecules H2O
c)6.02 * 10^23 molecules H2O
d)5.14 * 10^23 molecules H2O

Answer 1

a)5.14 * 10^24 molecules H2O

Step-by-step explanation:

8.54 moles of H2O contains 8.54 x 6.022 x 10^23 = 5.14 x 10^24 molecules of H2O.