B is the answer and winners are Olawale and Maryam.Details below:
When 1 mg is dissolved in 500 mL, 100 mL of the solution contains 0.2 mg
(100/500). This is 0.0002% to 0.0002 g in 100 mL. The percentage w/v is 0.0002%

B is the answer and winners are Olawale and Maryam.Details below:
When 1 mg is dissolved in 500 mL, 100 mL of the solution contains 0.2 mg
(100/500). This is 0.0002% to 0.0002 g in 100 mL. The percentage w/v is 0.0002%

B is the answer and winners are Olawale and Maryam.Details below:

When 1 mg is dissolved in 500 mL, 100 mL of the solution contains 0.2 mg

(100/500). This is 0.0002% to 0.0002 g in 100 mL. The percentage w/v is 0.0002%

B is the answer and winners are Olawale and Maryam.Details below:

When 1 mg is dissolved in 500 mL, 100 mL of the solution contains 0.2 mg

(100/500). This is 0.0002% to 0.0002 g in 100 mL. The percentage w/v is 0.0002%

D

C

B

D

B

B

B

B

C

C

B