The health of bones depends upon a good supply of calcium. if a person consumes 0.06 g of calcium, how many moles of calcium did he consume?

Calcium is the chemical element of atomic number 20, with a Ca.sup. Symbol of molar mass of 40 g / mol.

It is a hard gray-white, alkaline-earth metal that is never found in pure bodies in nature. It is the fifth most abundant element of the earth's crust (more than 3%) and is essential for organic matter: formation of bones, teeth and shells. Calcium also plays a very important role in cell physiology.

To calculate the number of moles of calcium, you have to apply the law of:

Number of moles = mass / molar mass.

n = m / M = 0.06 / 40 = 1.5 × 10 -3 mol = 1.5 mmol.

The number of moles of calcium is 1.5 milli-moles.

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