Question

Question 1. Write the steps for making molecules of the following compounds. 2. Potassium nitrate​

Answer 1

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Q1. NNa2SO: Sodium sulphate

Molecular Mass : 23(2)+32+16(4) = 46+32+64 = 142 g/mol

K2CO: Potassium carbonate

Molecular Mass : 39(2)+12+16(3) = 78+12+48 = 138 g/mol

CCO: Carbon dioxide

Molecular Mass : 12+16(2) = 12+32 = 44 g/mol

Q2. Major uses of potassium nitrate are in fertilizers, tree stump removal, rocket propellants and fireworks. It is one of the major constituents of gunpowder (black powder).

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