Notifications
Clear all
0
30/09/2020 11:10 am
Topic starter
Volume of water needed to mix with 10 mL 10N HNO3 to get 0.1 N HNO3 is :
(a) 1000 mL
(b) 990 mL
(c) 1010 mL
(d) 10 mL
1 Answer
0
30/09/2020 11:16 am
(b) 990 mL
Explanation:
Given N1 = 10N, V1 = 10 ml, N2 = 0.1N, V2 = ?
N1V1 = N2V2
or 10 × 10 = 0.1 × V2
or V2 = 10 x 10/0.1, V2= 1000 ml
Volume of water to be added
= V2 - V1 = 1000 - 10
= 990 ml