Question

When we write 2H,0 it means 2 molecules of H20 and it contains 2X2 H atoms and
2X1 O atoms.
If so, find out the number of molecules and number of each type of
atoms.
a) 2CH2
2) 3C02



please help
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Answer 1

Answer:

a) 2CH2

it has 2 carbon molecules and 4 hydrogen molecules

b) 3CO2

it has 3 carbon molecules and 6 oxygen molecules