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15 Nov 2021

Given information

  • The concentration of calcium ions in the blood plasma is .
  • The solubility product is calcium diphosphate is .

Step-by-step explanation

Step 1.

Convert the concentration from  into :

                                 

By dividing the mass of calcium ions in a one-litre solution by the molar mass of calcium, the number of moles of calcium ions present in one-litre solution may be computed:

 

 

Now, to calculate the amount of diphosphate required in a specific reaction, use the formula:  

Where,

 the solubility product of the substance.

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