The formula mass of calcium carbonate can be calculated using the formula and values from the data book and the mass is given in the question.

Mass balance ensures that the carbon formerly ... By contrast, among vertebrates structural materials such as bones (made of calcium phosphate) account for the majority of an organism's phosphorus ...

To calculate this, work out the formula of calcium chloride then add all the mass numbers together. One mole of calcium chloride has a mass of 111 g.