Question

i) Calculate the mass of water formed by combustion of 32g of methane. ii)Calculate the number of atoms present in a)52u of He b) 52g of He​

Answer 1

1)

72 grams of water will be produced

2)a)In 52 u of He 7.8286 × 10^24 atoms are present

b)The molar mass that is the mass of 6.022 X 1023 atoms of helium is 4g.