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Is your sample of calcium

A sample of calcium fluoride with a mass of 15.0 g contains 8.40 g of calcium. Assuming that the sample is pure calcium
1. 1 answer
2. asked by Anonymous
3. 2,085 views
A calcium sample weighting 607.4 mg was precipitated as oxalate and calcined calcium carbonate giving 246.7 mg. What the
1. 0 answers
2. asked by MONICA
3. 987 views
The amount of calcium present in milk can be determined by adding oxalate to a sample and measuring the mass of calcium oxalate
1. 1 answer
2. 85 views
A student performed an analysis of a sample for its calcium content and got the following results:14.92% , 14.91%, 14.88% ,
1. 4 answers
2. asked by Dalal
3. 3,883 views
A student performed an analysis of a sample for its calcium content and got the following results: 14.91%, 14.89%, 14.88%, and
1. 1 answer
2. asked by ezile
3. 205 views
A 2.800-g mineral sample was analyzed for its calcium carbonate, CaCO3, content by titrating it with hydrochloric acid (the
1. 1 answer
2. asked by Anonymous
3. 694 views
A 1.582 g sample containing 71.47% calcium and 28.53% oxygen was used for an experiment.What is the equivalent mole of calcium
1. 1 answer
2. 82 views
A student performed an analysis of a sample forits calcium content and got the following results: 14.91%,14.89%,14.88%, and
1. 1 answer
2. asked by ezile
3. 177 views
A 293.6-g sample of ground water is analyzed for calcium. The Ca2+ in the sample is first precipitated and filtered-off as
1. 2 answers
2. asked by Anon
3. 1,589 views
A mineral sample is analyzed for its cobalt and calcium content. A sample is dissolved, and then the cobalt and calcium are
1. 4 answers
2. asked by DC
3. 3,099 views