Question
Chemistry Question on Mole concept and Molar Masses
The normality of 0.3 M phosphorus acid (H3PO3) is
A
0.1
B
0.9
C
0.3
D
0.6
Answer
0.6
Explanation
Solution
Phosphorus acid is a dibasic acid as
Therefore, normality = molarity x basicity = 0.3 x 2 = 0.60