Question

In a 50.0-g sample of iron, salt, and dirt, there are 20.0 g of salt. What is the percentage of salt in the solution? Final answer only is needed, including the proper unit.

Answer 1

Answer:

40%

Explanation:

Total mass of the sample = 50 g

Mass of the salt = 20 g

% Salt = Given mass/total mass x 100

= 20/50 x 100

= 40%

Hope it helps..!! ^_^

Answer 2

50g = 100%

1g = 100/50% = 2%

20g = 2% × 20 = 40%

40% of salt in the solution.