48,647 views
31 votes
31 votes
What is the mass percent of oxygen in hydrogen peroxide, ? H2O2

with calculations, please

User Shams Sujon
by
3.2k points

1 Answer

17 votes
17 votes

answer: 94.12

Step-by-step explanation:

chemical formula of hydrogen peroxide is H2O2.

atomic mass of 0 is 16 u.

so mass of 2 O= 2× 16 =32

molecular mass of H2O2 = 2×1 +2×16=34

mass percent of 0= total mass of 0 in compound/ total mass of compound * 100= 32/34 *100=94.12

User Konsumierer
by
2.7k points