Chemistry lab questions help!?

Posted on 2017-09-05 18:32:00 in Chemistry by BILLO

 (1) Question options: 

What is the objective of this experiment? ToquantitativleyWhat is NOT a

(3) To qualitatively determine how much calcium is in a calcium supplement 

(2) To learn how calcium is used in the body 

determine how much calcium is in a calcium supplement purpose for adding acid to the pill? 
Question options: 

(1) To create a solution where the impurities can be filtered 

(2) To remove the carbonate that traps the calcium in a solid form 

(3) To acitivate the byproducts 

(4) To liberate the calcium as an ion in solution 

Which of the following is NOT a reason for adding the carbonate ion to solution with the calcium ion: 
Question options: 

(1) To act as a fixer to the contaminents in the solution 

(2) To neutralize the excess acid 

(3) To combine with calcium to form an insoluble compound 

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