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Complete the table Element/Compound Chemical formula Molecular massHydrogenOxygenNitrogenWaterAmmoniaH2O2N2H2ONH3 1 + 1 = 2 ....... .......1 + 1 + 16 = 18 ........Calculate the molecular mass of glucose (C6H12O6) and sulphuric acid (H2SO4) |
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Answer»
Molecular mass of glucose = 6 × 12 + 12 × 1 + 6 × 16 = 72 + 12 + 96 = 180 g Molecular mass of sulphuric acid 2 × 1+ 1 × 32 + 4 × 16 = 2 + 32 + 64 = 98 g |
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