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:If the volume of a given mass of gas at 0°C is…A gas at a volume of V0 in a container at pressure…A fixed mass of gas occupies a volume of 20cm³ at a…A fixed mass of gas has a volume of 92cm³ at 3°C.…The volume of a fixed mass of gas is 10cm³ when its…