Which of the following statements concerning sodium and potassium is/are CORRECT?
1)The sodium concentration in seawater is over three times greater than the concentration of potassium.
2)Plants contain roughly four to six times more sodium than potassium.
3)Roman soldiers were paid in sodium chloride.

Question

Quizplus · Accepted Answer

The sodium concentration in seawater is indeed much higher than that of potassium. Roman soldiers were historically paid in salt, which is sodium chloride, hence the term "salary." However, plants generally contain more potassium than sodium, not the other way around.

Which of the Following Statements Concerning Sodium and Potassium Is/are