F.4 Chem
2008-04-04 5:26 am
10.1g of hydrated calcium chloride(CaCl2xnH2O)gives 5.00 g of water on strong heating.find the value of n
回答 (1)
2008-04-04 6:07 am
✔ 最佳答案
1. the ratio of hydrated compound to water=1:nn:1=5/18:10.1/(111+18n)
n=5(111+18n)/(18x10.1)
181.8n=5(111+18n)
91.8n=555
n=6
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