Calculate the number of moles of HCl present in 20cm3 of a 0.75M solution of the acid
-
0.015 mole
- 0.038 mole
- 3.800 moles
- 1.500 moles
The correct answer is: A
Explanation
Number of moles = (conc. in mol/dm3*volume in cm3)/1000(0.75 * 20)/100 = 0.015 mole