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A 0.450-gram sample of impure

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. 1,257 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. 687 views
A 0.6334 gram of sample of impure mercury (II) oxide was dissolved in an unmeasured excess of potassium iodide.Reaction: HgO +
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2. asked by Anonymous
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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
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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. 2,098 views
A 0.450-gram sample of impure CaCO3(s) is dissolved in 50.0 mL of 0.150 M HCl(aq). The equation for the reaction is:CaCO3(s)+2HC
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2. asked by Katherine
3. 8,984 views
A sample of impure magnesium was analyzed by allowing it to react with excess HCl solution:Mg(s) + 2 HCl(aq) → MgCl2(aq) +
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2. asked by James
3. 4,597 views
in this experiment about recrytallization im having a strange problem with the calculations.we used 0.1 gram of impure unknown,
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2. asked by jessie
3. 518 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. 727 views
If a 40 gram sample of radioactive isotope was present at 4pm, but a 5 gram sample remained at 4:30 pm, what is the half-life in
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2. asked by Jason
3. 640 views