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Chapter 3: Q3.2 CYL (page 132)

Calcium phosphate Ca3(PO4)2 is an ionic compound and a common anticaking agent added to food products. What is the formula mass(amu) of calcium phosphate?

Short Answer

Expert verified

Formula mass for Calcium phosphate is 310.18amu.

Step by step solution

01

Step 1- Calculate the number of atoms

In calcium phosphate, we have 3 calcium atoms and 2 phosphate molecules.

02

Step 2- Calculating formula mass

Writing their molecular mass

Calcium molecular mass = 40.078u

Phosphorous molecular mass = 30.973u

Oxygen molecular mass = 16u

Therefore, mass of calcium phosphate = 40.078 x 3 + 2 x (30.973762 + 4 x 16)

= 310.18u

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