Post Utme Rsu 2023 Biology Question 20

Practice objective / multiple choice question 20 from the 2023 Post Utme Rsu Biology examination.

Post Utme Rsu 2023 Biology Objective / Multiple Choice

Question 20 POST_UTME_RSU • 2023 • BIOLOGY • objective

A 5.0 g sample of a mixture of NaCl and KCl is analyzed by flame photometry. If the amount of sodium detected is 2.5 g and the amount of potassium detected is 1.0 g, what is the percentage composition of the mixture?

Correct Answer A. NaCl: 60%, KCl: 40%

B. NaCl: 40%, KCl: 60%

C. NaCl: 50%, KCl: 50%

D. NaCl: 30%, KCl: 70%

Correct Answer

Correct Option:

NaCl: 60%, KCl: 40%

This is Post Utme Rsu 2023 Biology Question 20. It is one of the objective questions from the 2023 Post Utme Rsu Biology examination.

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