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An impure sample of substance

What can a drop of liquid mercury be described as?a pure substance and a compound an impure substance that is reactive an impure
1. 1 answer
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A sodium hydroxide sample is contaminated with sodium chloride. A 0.240 gram sample of this impure sample is dissolved in water
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2. asked by Sam
3. 1,219 views
A chemist is studying an unknown substance and could break the substance into its elemental components only by using chemical
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2. 119 views
Impure sample of table salt that weighed 0.8421g, when dissolved in water and treated with excess AgNO3, formed 2.044g of AgCl.
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2. asked by London
3. 2,050 views
CrCl3(s) + AgNO3 (aq)= AgCl(s) + Cr(NO3)3(aq)A 0.750 g sample of impure CrCl3 was removed from a bottle that contained 1.75 g of
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2. asked by jade
3. 2,052 views
A sample of impure magnesium was analyzed by allowing it to react with excess HCl solution:Mg(s) + 2 HCl(aq) → MgCl2(aq) +
1. 2 answers
2. asked by James
3. 4,547 views
An impure sample of substance X melts at about 113 degress. Which of the substances could be X and state yResorcinal 111 degrees
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2. asked by Jiskhaa
3. 583 views
A sample of impure magnesium was allowed to react with excess HCL solution. After 5.5 gram of the impure metal was treated with
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2. asked by Anonymous
3. 653 views
A 0.670 g sample of impure Al2(SO4)3 reacts with excess BaCl2. If the sample produces 0.760 g of BaSO4, what is the mass percent
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2. asked by Tevin
3. 692 views
The mass of potassium iodate (KIO3) contained in an impure sample was determined by titration with sodium thiosulfate (0.1005
1. 3 answers
2. asked by Ami
3. 824 views