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A land requires 10kg Mg for 100 sq m.Hw much MgSo4 shud b added 2 cover 1000sq m of land?
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we know that molar masses of Mg, S, O are 24, 32,16 respectively. therefore molar mass of MgSO4 = 120. mass% of Mg in MgSO4 = (24/120)*100. =20 since 10 kg is Mg is required for 100 sq. m of land 100kg is required for 1000 sq m. and MgSO4 required = (100/20)*100 = 500 kg. |
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