2. Calculate the relative molecular masses of:
(a) CHCI,
(b) (NH), Cr,0
(e) Cuso, 51,0 (d) (NH)2SO4
(e) CH, COONa (1) Potassium chlorate
(g) Ammonium chloroplatinate (NH,), PCI,
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2. Calculate the relative molecular masses of:
(a) CHCI,
(b) (NH), Cr,0
(e) Cuso, 51,0 (d) (NH)2SO4
(e) CH, COONa (1) Potassium chlorate
(g) Ammonium chloroplatinate (NH,), PCI,
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Answer:
Explanation:
(NH₄)₂SO₄ = 2(14 + 4 × 1) + 32 + 4 × 16
= 2 × 18 + 32 + 64
= 36 + 96
= 132
(d) CH₃COONa = 14 + 3 × 1 + 14 + 16 + 16 + 23
= 28 + 3 + 32 + 23
= 60 + 26
= 86
(e) Potassium Chlorate.
Chemical Formula of Potassium Chlorate = KClO₃
KClO₃ = 40 + 35.5 + 3 × 16
= 75.5 + 48
= 123.5
→→→→→→→→→→→
Hope it helps.