A solution of sodium chloride contains 500 mg of sodium chloride made up to 100 mL with water. Express this solution as a percentage.

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pharmacy

 

A ❏ 500

B ❏ 50

C ❏ 5

D ❏ 0.5

E ❏ 0.05

11 COMMENTS

  1. Answer is D, all respondents got the answer, but we shall only reward Clement and O’can.
    The solution contains 0.5 g in 100 mL, % w/v is 0.5

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