Question

mass of 1 mole of carbon atoms.
mass of 10 moles of sodium sulphate H²SO⁴. mass of 4 moles of nitrogen atoms.
mass of 0.2 moles of oxygen atoms.
mass of 2 moles of helium atoms.​

Answer 1

Answer:

please Mark me as brain List

Answer 2

Answer:

(a) 1 mole of nitrogen atoms=1×mass of N=1×14=14 g

(b) 4 moles of aluminium atoms=4×27=108 g

(c) 10 moles of sodium sulphite(Na

2

SO

3

)=10×Mass of Na

2

SO

3

.

Mass of Na

2

SO

3

=2×Mass of Na atom+1×Mass of S atom+3×Mass of O atom

=2×23+1×32+3×16=46+32+48=126 g/mol

∴10 moles of Na

2

SO

3

=10×126=1260 g

Explanation:

please mark me as brainliest