The wt. of unhydrous sodium carbonate needed to prepare 500 ml of a decinormal solution would beA. 5.3 gB. 10.6gC. 1.06 gD. 2.65 g

The wt. of unhydrous sodium carbonate needed to prepare 500 ml of a de

1.	The wt. of unhydrous sodium carbonate needed to prepare 500 ml of a decinormal solution would beA. 5.3 gB. 10.6gC. 1.06 gD. 2.65 g
Answer» Correct Answer - D Wt. per `dm^(3) = N xx eq. Wt.` `= 0.1 xx 53 = 5.3 g` Wt. in 500 ml `= (5.3)/2= 2.65 g.

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