Some Basic Concepts of Chemistry Quiz-3

Approximate atomic weight of an element is 29.89. If it's eq. wt. is 8.9, the exact atomic wt. is :

0.534g Mg displaces 1.415g Cu from the salt solution of Cu. Equivalent weight of Mg is 12. The equivalent weight of Cu would be :

The equivalent weight of iron in $Fe_2O_3$ would be :

5.3 g of $Na_2CO_3$ have been dissolved to make 250 mL of the solution. The normality of the resulting solution will be :

10 mL of an HCI solution gave 0.1435g of AgCl when treated with excess of $AgNO_3$. The normality of the resulting solution is :

500 mL of a 0.1 N solution of $AgNO_3$ is added to 500 mL of a 0.1 N KCI solution. The concentration of nitrate in the resulting mixture is :

If 8.3 mL of a sample of $H_2SO_4$(36 N) is diluted by 991.7 mL of water, the approximate normality of the resulting solution is

The ratio of amounts of $H_2S$ needed to precipitate all the metal ions from 100 mL of 1 M $AgNO_3$ and 100 mL of 1 M $CuSO_4$ is :

1L of 18 molar $H_2SO_4$ has been diluted to 100L. The normality of the resulting solution is :

The normality of 0.3 M phosphorus acid $(H_3PO_3)$ is :