Which of the following metals is the most essential in the regulation of blood volume, blood pressure and osmotic equilibrium? by Sunday | Jan 2 | Chemistry WAEC | 0 comments A. Zinc B. Manganese C. Sodium D. Iron Correct Answer: Option C C. Sodium Users Also Read These:The volume of a fixed mass of gas is 10cm³ when its…The initial volume and pressure of a given mass of…Consider the equilibrium reaction represented by the…Which of the following non-metals reacts most…A fixed mass of gas occupies a volume of 20cm³ at a…