Question

27. A solution is prepared by adding 4g of a
substance 'A' and 6g of a substance 'B' to 30 g of
water. What is the mass percentage of 'B' in the
solution?
(1) 10%
(2) 20%
(3) 15%
(4) 13.33%​

Answer 1

Answer:

3 will be correct i think so okay