Chemistry lab questions help!?

Chemistry lab questions help!?



 (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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