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State two properties of washing soda......❓❓❓ |
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Answer» Ok.... Thank you mr.avi..... Washing Soda. Its chemical formula is Na2CO3. 10H2O, i.e. sodium carbonate decahydrate, i.e. one mole of Na2CO3 contains 10 moles of water of crystallization. ...Properties of Washing Soda. (i) It is a transparent crystalline solid. (ii) It contains ten molecules of water of crystallization. \tIt is a crystalline solid which is white in colour.\tIt exists as a monohydrated salt (Na2CO3.10H2O), anhydrous salt (Na2CO3), heptahydrous salt (Na2CO3.7H2O) and decahydrate salt (Na2CO3.10H2O).\tSodium carbonate is basic in nature.\tIt has a melting point of 851°C.\tIn the presence of heat, it loses its water to form an anhydrous salt (soda ash).\tNa2CO3.10H2O\xa0→\xa0Na2CO3.H2O\xa0→\xa0Na2CO3\xa0(at 373 K) |
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