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(Iron ore is impure Fe_2O_3.

(Iron ore is impure Fe_2O_3. When Fe_2O_3 is heated with an excess of carbon (coke), metallic iron and carbon monoxide gas are
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2. asked by Inni
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Iron ores have different amounts of iron per kilogram of ore.Calculate the mass percent composition of iron for each iron ore:
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2. asked by Ana
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5.5g of impure iron required 7.5cm3 of 3.0M HCL and give neutral solution calculate the purity of iron
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2. asked by Pilly
3. 243 views
A 2,3 kg sample of iron oxide, Fe_2O_3, is added to 1,7 kg of Carbon monoxide, according to the following balanced equation :
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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. 66 views
4g if impure iron rod was use to stir H2So4 and 1.12dm of H2 was liberated determine the Mass of pure iron rod that reacted with
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2. 161 views
overall balanced reaction:14H+ + C2O7^2- + 6Fe^2+ -> 2Cr^3+ + 7H2O + 6Fe^3+ .5021g of impure sample containing potassium
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2. asked by Anonymous
3. 1,300 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. 4,582 views
A certain mass(m) of an impure iron sample of 40% purity ,is treated with an excess of HCl to give H2 that occupies 44.8 L at
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2. asked by Angy
3. 597 views
A certain mass(m) of an impure iron sample of 40% purity ,is treated with an excess of HCl to give H2 that occupies 44.8 L at
1. 1 answer
2. asked by Angy
3. 576 views