Question

How many hydrogen atoms are in 5 molecules of isopropyl alcohol, C3H7O ?

Answer 1

The answer is "35 atoms".

Step-by-step explanation:

The Formula for isopropyl alcohol is:
`C_3H_8O`

In 1 molecule of
`C_3H_8O` = 8 atoms of hydrogen

In 4 molecule of = atoms of hydrogen

According to the given formula
`C_3H_7O`

In 5 molecule of
`C_3H_7O`
`= 5 * 7 = 35` atoms of hydrogen.