Question

(b) What is the mass of 10 moles of CHCI³?​

Answer 1

Explanation:

Given,

Number of moles =10

Molecular mass of sodium sulphite (Na2SO3 )=2× Atomic mass of Na+ atomic mass of sulphur +3× Atomic mass of O=2×23u+32u+48u=126u

Molar mass of Na2SO3=126g/mol

To calculate the mass, apply the formula:

Number Of moles=mass/molar mass

We can write:

Mass = Number of moles × Molar mass

Mass=10mol×126g/mol

Mass=1260g

Thus, the mass of sodium sulphite is 1260g

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