Calculate how many grams of ruthenium (MW = 101.07 g/mol) were in the sample

Q: A hospital saline solution is analyzed to confirm its concentration. A 50.0 mL sample with a mass of…

A: mass/mass or w/w percentage can be determined as:  =[(Mass of solute)/(mass of solution)]×100…

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Q: Calculate the number of H+(aq) ions in 1.6 mL of pure water at 25 ∘C. Express your answer using two…

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Q: Calculate the mass percent of sulfuric acid in a solid sample given that a 0.8390 g sample of that…

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Q: What is the difference between a fractionation and a distillation?

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Q: Consider a 1.0000 g sample containing 75% potassium sulfate (FW 174.25) and 25% XSO4. The sample is…

A: The reactions are given by, K2SO4 + Ba2+→ BaSO4 + 2 K+ MSO4 + Ba2+ → BaSO4 + M2+

Q: Potentially Useful Information Spectrochemical Series: I < Br° < SCN" < cI' < NO3° < F° < OH° <…

A: From given  Initially ligand is categorized and based on the spectrochemical series it is discussed…

Q: The concentration of Al3+ ion in a sample of spring water is 24.7 ppm. What mass of Al3+ ion is…

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Q: A chemist needs to create a series of standard Cu2+(aq) solutions for an absorbance experiment. For…

A: Given that 25.00 m L of a 2.55 M Cu+2 stock solution is added to a 500 volumetric flask and water is…

Q: A chemist needs to create a series of standard Cu²+ (aq) solutions for an absorbance experiment. For…

A: Molarity of the Cu+2 stock solution= 2.07 M  Dilution formula is M₁V₁ = M₂V₂ where M₁ and V₁…

Q: A chemist needs to create a series of standard Cu2+(aq)Cu2+(aq) solutions for an absorbance…

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Q: Question attached

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A: Given information: Weight of sample = 1500 mg Weight of the sample precipitated = 200 mg

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A: Given: Density of solution = 1.43 g/mL. And weight percent of CsCl = 40.0 %.

Q: A 0.0715 g sample of a material was analyzed for thiourea (CS(NH2)2, MM = 76.12). It was found to…

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Q: Spectrochemical Series: I < Br < SCN¯ < Cl` < NO3¯ < F° < OH° < C2O4²¯ ~ H2O < NCS < NH3 < en < PPH3…

A: Applying concept of spectrochemical series.

Q: Why does the test for the presence of potassium involve a flame test?

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Q: A chemist needs to create a series of standard Cu2+(aq)Cu2+(aq) solutions for an absorbance…

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Q: I. i. Pt|Cra), Cr,0ag)||CLO3(aq), Cliag)|Pt j. Mn(s)|Mnaq)||Htaq)\H2c9) \Pt

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Q: Potentially Useful Information Spectrochemical Series: | < Br < SCN° < Cl` < NO3¯ < F < OH¨ <…

A: Colors of solution (visible to eye) Color (absorbed by compound) Red  Blue-green Orange  Blue…

Q: in part B was magnesium sulfate, write out a molecular formulahot represents the hydrated version.…

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A: Applying formula  M1V1 = M2V2  where M1 = Molarity of solution1 (MgCl2) V1= volume of solution 1 M2=…

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Q: Potentially Useful Information Spectrochemical Series: I < Br < SCN' < Ci' < NO3° < F° < OH° < C2O42…

A: Given spectrochemical series of ligands: I- &lt; Br- &lt; Cl- &lt; NO3- &lt; F- &lt; OH- &lt; C2O42-…

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Q: The presence of which halogen is not detected by the mass spectrometer?     Cl     N     Br…

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Q: Mass Cr plated (g)

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Q: Manganese (Mn) content in an ore is analysed by converting Mn to Mn3O4. Calculate the minimum mass…

A: Given - % of Mn = 7.8%             Mass of Mn3O4 = 0.2340 g            Relative atomic mass of Mn =…

Q: A chemist needs to create a series of standard Cu²+ (aq) solutions for an absorbance experiment. For…

A: Molarity = Number of moles of solute/ Volume of solution(L) M1V1 = M2V2  M1 = initial molarity  M2 =…

Q: Use the following atomic masses (in g/mol): Mg = 24.31; O = 16; Ca = 40.08; C = 12.01; Na = 23; H =…

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Q: Referring to the posted calibration curve ... A 2.345 g sample of a ruthenium ore was dissolved and…

A: The absorbance of solution is 0.320. The amount of ruthenium dissolved in 100.00 mL of solvent is…