Question

A person preparing a medicine wants to convert 15% alcohol solution into 32% alcohol solution. Find how much pure alcohol he should mix in 400 ml of 15%alcohol solution to obtain required solution​

Answer 1

Answer:

100ml

Step-by-step explanation:

LET THE AMOUNT OF PURE ALCOHOL HE SHOULD MIX IN 400ML OF 15% ALCOHOL =X

15%OF( 400+X)=32%OF(400+X)

(15/100)×400+X=(32/100)×(400+X)

6000+100X=12800+32X

68X=6800

X=6800/68

X=100ML

HOPE IT WILL HELP YOU A LOT☺