JEE Main 2014 (Offline) | Some Basic Concepts of Chemistry Question 209 | Chemistry

Experimentally it was found that a metal oxide has formula M_0.98O. Metal M, present as M²⁺ and M³⁺ in its oxide. Fraction of the metal which exists as M³⁺ would be

7.01%

4.08%

6.05%

5.08%

JEE Main 2013 (Offline)

MCQ (Single Correct Answer)

-1

The molarity of a solution obtained by mixing 750 mL of 0.5 (M) HCl with 250 mL of 2(M) HCl will be:

1.00 M

1. 75 M

0.975 M

0.875 M

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