0.7 g of Na_(2)CO_(3).xH_(2)O is dissolved in 100 mL of water , 20 mL – InterviewSolution

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1.	0.7 g of Na_(2)CO_(3).xH_(2)O is dissolved in 100 mL of water , 20 mL of which required 19.8 mL of 0.1 N HCl. The value of x is
Answer» 4 3 2 1 Answer :C

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