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4ab] a. Calculate the mass of calcium and magnesium in the original sample. b. Calculate for the mass of the mixed oxalate precipitate that was formed.

4ab] a. Calculate the mass of calcium and magnesium in the original sample. b. Calculate for the mass of the mixed oxalate precipitate that was formed.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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[4ab]

a. Calculate the mass of calcium and magnesium in the original sample.

b. Calculate for the mass of the mixed oxalate precipitate that was formed.

 

Struvite is a phosphate mineral that crystallizes as white to yellowish/brownish-white solid and are commonly found in urinary tract stones in canine and feline. Struvite stone formations are caused by bacterial infection that hydrolyzes urea to ammonium that results to a neutral or alkaline pH. Its accumulation in the urine causes difficulty in the excretion and hematuria. To determine the possibility of forming struvite, the calcium and magnesium in a urine sample of a Shih Tzu were analyzed thermogravimetrically and precipitated as oxalates. The mixed oxalate precipitates was heated to form calcium carbonate and magnesium oxide precipitate. This step of analysis gave 0.0436 grams of mixed precipitate. This mixed precipitate was then ignited to form Cao and Mg0 resulting to a solid that weighed 0.0287 grams.
Transcribed Image Text:Struvite is a phosphate mineral that crystallizes as white to yellowish/brownish-white solid and are commonly found in urinary tract stones in canine and feline. Struvite stone formations are caused by bacterial infection that hydrolyzes urea to ammonium that results to a neutral or alkaline pH. Its accumulation in the urine causes difficulty in the excretion and hematuria. To determine the possibility of forming struvite, the calcium and magnesium in a urine sample of a Shih Tzu were analyzed thermogravimetrically and precipitated as oxalates. The mixed oxalate precipitates was heated to form calcium carbonate and magnesium oxide precipitate. This step of analysis gave 0.0436 grams of mixed precipitate. This mixed precipitate was then ignited to form Cao and Mg0 resulting to a solid that weighed 0.0287 grams.
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