Question

in 400ml of solution there is 15% sprit .how much pure sprit should be mixed with the mixture that the concentration of the sprit become 32%​

Answer 1

Answer:

100 ml of alcohol must be added

Step-by-step explanation:

volume of alcohol is 400 ml solution =0.15 400ml

volume of alcohol in 400 ml solution 60ml

volume of other liquid =340 ml volume of solution =400 + x ml 0.32 (400 + x)=60 + x =100