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General
18 February - 24 February
25 February - 3 March
4 March - 10 March
11 March - 17 March
18 March - 24 March
25 March - 31 March
1 April - 7 April
8 April - 14 April
15 April - 21 April
22 April - 28 April
Constants of acids and bases
Acid of Base Molecular weight Specific gravity % by Wt Molarity(M) Normality(N) Volume for 1L solution Acetic acid 60.1 1.05 99.5 17.5 17.4 58 Ammonium Hydroxide 35.0 0.89 28 14.3 14.3 71 Formic acid 46.0 1.20 90 23.4 23.4 43 Hydrochloric acid 36.5 1.18 36 11.3 11.3 89 Nitric acid 63.0 1.42 71 16.0 16.0 63 Perchloric acid 100.5 1.67 70 11.6 23.2 42 Phosphoric acid 80.0 1.70 85 18.1 41.1 23 Sulphuric acid 98.1 1.84 96 18.0 36.0 28 |