A 100 ml solution of H2SO4 having concentration of 20% is mixed with a 50% concentrated x ml mixture such that the net mixture is 30% concentrated. Determine x.
Answer & explanation
Correct answer: option 4
Ratio = 20 : 10 = 2 : 1,
⇒ Here, 2 unit = 100 ml,
⇒ Therefore, 1 unit = 50 ml.