A sample of 60 L of concentrated acid is found to be diluted to the extent of 40%. If the percentage of dilution has to bring down to 5%. Then find the correct statement(s) with the help of the above given data.
a) 140 L of concentrated acid is to be added.
b) 320 L of concentrated acid is to be added.
c) 420 L of concentrated acid is to be added.
Choose the correct option.
1
Only a
2
Only b
3
Only c
4
Neither a nor b
5
Both a and c