Cr in an ore exists as Cr2O3, and is converted quantitatively to BaCrO4 (253.33 g/mol). Calculate the Cr content as % (w/w) Cr2O3 (151.99 g/mol), if a 0.8000 g ore sample yields 0.4030 g BaCrO4.

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Q: In the determination of iron in limonite, 0.5166 g of mineral is dissolved in acid and Fe2 + is…

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Q: In the determination of iron in limonite, 0.5166 g of mineral is dissolved in acid and Fe2 + is…

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A: Alloy consist of:Copper (Cu) = 86.0g, zinc (Zn) = 117 g, lead (Pb) = 7.75 g.Atomic weight of:Copper…

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Q: What is the percentage of iron (AW 55.845 g/mol) in an ore if the weight of Fe203 (FW 159.687 g/mol)…

A: The molar mass of iron (III) oxide is = 159.687 g/mol The atomic mass of iron is = 55.845 g/mol The…

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A: Percentage of Fe and Fe3O4 can be calculated from the total moles of iron present in the sample.

Q: An ore is analyzed for the manganese content by converting the manganese to Mn3O4 and weighing it.…

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Q: Determine the percentage of iron in a sample of limonite from the following data. Weight of sample…

A: Weight of sample = 0.5000 g
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Q: A 0.4560 g mixture of FeCl3 and FeBr3 was dissolved in water and reacted with excess NaOH. All of…

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A: Weight of sample = 1.52 g   Yield of sample  = 0.126 g

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Q: 26. A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure…

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Q: Which is the common ore of magnesium MgS or MgSO4

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Q: How many mg of iron are present in a 236.5 g ore sample containing 0.15% iron by mass?

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Q: In the determination of iron in limonite, 0.5166 g of mineral is dissolved in acid and Fe2 + is…

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Q: A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure Fe2O3…

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Q: 24. A 1.500 g sample of iron ore, labeled A, was processed accordingly to give 0.5215 g of pure…

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Q: 0.6465 grams of bleach, Ca(OCl)2, is dissolved in acid and treated with excess KI. Calculate the…

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