Methane is a compound which is 75% carbon, by mass, the balance being hydrogen. If a sample of methane weighs 24 g, what mass of hydrogen does it contain?

Question

asked Jul 9, 2019 19.6k views

1 Answer

Nflauria · Answer 1 · 2019-07-16T05:43:33+0000

The mass of hydrogen is 6 grams

calculation

step 1: find the % of hydrogen

= total %(100) - % of carbon (75%)

= 100- 75 =25%

step2: find the mass of hydrogen from its %

that is 25/100 of 24 grams = 6 grams