Question

What is the mass of aluminium in 204 g of aluminuta oxide, Al2O3?
A 26 g
B 279
D 1089
What is the mass of oxygen contained in 72 g of pure
w e btvom masses 10-16)
A 169
B 329
What is the number of moles of hydrogen atoms in 32 of methano?
09 B 02
C 04​

Answer 1

Answer:

option number b

Explanation:

option for this question is option number b