Question

I WILL GIVE BRAINLIEST IF YOUR ANSWER IS CORRECT

Answer 1

Answer:

1. 4.5 g

2. 56.25 g

Step-by-step explanation:

3 % substance solution means :

3 g of dry substance is present in 100 g of solution.

By unitary method:

The weight of dry substance in 1 g of solution = $\frac{3}{100}$

The weight of dry substance in 150 g of solution = $\frac{3}{100}\times150=4.5\ g$

Let the weight of solution be w.

8 % solution contains 8 g dry substance in 100 g.

We have to find the weight of the solution(w) which contains 4.5 g of dry substance.

⇒ $\frac{8}{100}\times w=4.5\\w=\frac{450}{8}=56.25\ g.$