The mercury in a 1.1113-g sample was precipitated with an excess of paraperiodic acid, H5IO6: 5Hg2+ + 2H5IO6 → Hg5(IO6)2 + 10H+ The precipitate was filtered, washed free of precipitating agent, dried, and weighed, and 0.4733 g was recovered. Calculate the percentage of Hg2Cl2 in the sample.

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A: The given equation is as follows --- 2 MnO4- + 5 C2O42- + 16 H+ →  2 Mn2+ + 10 CO2(g) + 8 H2O…

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A: Since the weight of aluminum obtained form impure aluminum sulfate is 0.15 g. Molar mass of aluminum…

Q: Twenty tablets of an iron food supplement whose total mass was 22.131 g were crushed and perfectly…

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A: P2O5 = 2 (NH4)3PO4 • 12Mo O3 = 24 PbMoO4   Moles of PbMoO4 are, Moles = mass ÷ molar mass Moles =…

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A: Here we are required to find the percentage of arsenic oxide in sample.

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Q: Mixtures of CaCl₂ and NaCl are used to melt ice on roads.A dissolved 1.9348-g sample of such a…

A: Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for you. If…

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Q: Standard Sodium Chloride Weighed mass of NaCl Purity of NaCl Molar concentration of NaCl using…

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Q: A small iron pan was analyzed by dissolving a 11.1321 g sample in HCl. The resulting solution was…

A: Given, mass of Fe3O4 = 5.1231 g molar mass of Fe3O4 = 231.533 g/mol !! Calculate the moles of Fe3O4…

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Q: if I were to separate Bi3+ and Co2+, can I do that by adding H2S? So that Bi3+ would precipitate?…

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Q: 2. The arsenic in a 1.203-g sample of a pesticide was converted to H3ASO4 by suitable treatment. The…

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Q: An iron ore was analyzed by dissolving a 2.9912-g sample in concentrated HCl. The resulting solution…

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Q: A sample of 6.15 g6.15 g of solid calcium hydroxide is added to 30.0 mL30.0 mL of 0.490 M0.490 M…

A: Limiting reagent for a reaction is defined as the reactant that is in lesser quantity than the other…

Q: An iron ore was analyzed by dissolving a 2.9912-g sample in concentrated HCI. The resulting solution…

A: Molar mass of Fe3O4 - 231.533 g/mol Given, 2.9912 g of ore sample. Fe2O3 obtained - 0.8394 g.

Q: on, and then titrated with pre. n't need to know the formula

A: Calculation of mass percentage of iron. Mass of iron = 55.845g/mol.

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Q: 2. A standard solution of FeCls was prepared and its molar concentration was determined to be 2.000…

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Q: When 38.0 mL of 0.1250 M H2SO4 is added to 100. mL of a solution of PbBr2, a precipitate of PbSO4…

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Q: The concentration of KClO3 in the explosive sample can be determined by reaction with Fe(II): ClO3-…

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Q: The mercury in a 1.9458 g sample was precipitated as Hg5(IO6)2  by treatment with an excess of…

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Q: You have been provided with a 2.08 x 10-2 L  sample of lithium hydroxide (LiOH) of unknown…

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Q: The calcium in a 300.0 ml sample of natural water was determined by precipitating the cation as…

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