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What is the percentage purity

A study is discussed the purity of oxygen from a certain supplier. Assume that the mean was 99.61 with a standard deviation of
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2. asked by shasha
3. 520 views
An impure sample of Na2SO4 weighed 1.562g. A BaSO4 precipitate from this sample weighed 2.496g. Calculate the percentage of
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2. asked by peter
3. 1,021 views
What is the percentage purity if 20.5gm/litre of mohr's salt is completely dissolved into N/20 K2Cr2O7
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2. asked by Kiran Verma
3. 462 views
What is the percentage purity of sample if 3.92g of mohr's salt react completely with 50 ml N/10 Kmno4 solution
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2. asked by ketaki
3. 726 views
Using atomic masses, If a certain batch of D2O has a purity of 99.75 weight %, what is its purity in atom (actually molecule) %
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2. asked by Jane
3. 385 views
when 5g of impure sample of CH4 is completely combusted, 9g of H2O was produced.what is the percentage purity of the sample of
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2. asked by john
3. 457 views
The purity of a pharmaceutical preparation of sulfanilamide, C6H4N2O2S, can be determined by oxidizing the sulfur to SO2 and
1. 2 answers
2. asked by darren
3. 3,569 views
We completed a lab and the conclusion write up asks us to describe the purity of the product. What are some things that
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2. asked by hayley
3. 417 views
5.0g of impure iron reacted completely with 75cm3 of 2.0 mlodm-3 hydrochloric acid to give a neutral solutionCalculate the
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2. 47 views
Prepare M/20 oxalic acid solution.Using this solution, find molarity, strength, and percentage purity of the sodium hydroxide
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2. asked by Sara
3. 2,981 views