Question

What is the mass of 0.2mole of HCL.​

Answer 1

Total moles of Cl - ions = 0.2 × 1 + 0.2 × 2 = 0.6 Volume = 500ml [Cl - ] = 0.6 × 1000500 = 1.2M

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Answer 2

Gram atomic mass of hydrogen Chloride =36.5 g

n = m/M

0.2 = m/36.5

m = 7.3 g