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1g of metal having no variable valency produces 1.67g of its oxide when heated in air. It's carbonate contains 28.57% of the metal . How much oxide will be obtained by heating 1g of carbonate ?

1g of metal having no variable valency produces 1.67g of its oxide when heated in air. It's carbonate contains 28.57% of the metal . How much oxide will be obtained by heating 1g of carbonate ?

Grade:11

1 Answers

Ritika
11 Points
6 years ago
100 gm of metal carbonate will contain 28.57 gm of metal So, 1 gm of carbonate will have = 28.57/100 =0.285 gm of metalNow, as earlier it has ben said that 1 gm of metal forms 1.67 gm of metal oxideSo, 0.285 gm of metal will form =1.67 x 0.285 = 0.475 gm of metal oxide

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