A chemist prepares a solution of iron II bromide   FeBr2   by measuring out 17.mg of FeBr2 into a 50.mL volumetric flask and filling to the mark with distilled water.   Calculate the molarity of Br− anions in the chemist's solution.   Be sure your answer is rounded to the correct number of significant digits.

Q: Calculating ion molarity using solute mass A chemist prepares a solution of magnesium bromide…

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Q: A chemist prepares a solution of iron III bromide FeBr3 by measuring out 3.00g of FeBr3…

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A: Given data, Concentration of stock solution = 0.0000292 M Concentration of working solution = 14.0…

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A: Molarity if a solution is calculated as  Molarity=Number of MolesVolume (mL)×1000

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Q: A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 7.51 mL sample taken…

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Q: A chemistry student weighs out 0.157g of lactic acid HC3H5O3 into a 250.mL volumetric flask and…

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Q: Suppose 3.32 g of nickel(II) iodide is dissolved in 200. mL of a 0.30 M aqueous solution of…

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Q: chemistry student weighs out 0.160 g of sulfurous acid (H2SO3), a diprotic acid, into a 250. mL…

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Q: In the laboratory, you dissolve 19.9 g of cobalt(II) chloride in a volumetric flask and add water to…

A: Given, amount of cobalt(II) chloride w = 19.9 g volume of solution V = 125 mL = 0.125 L we are asked…

Q: A)  Calculate the molarity 12.21 mg KI in 107.6 mL of solution         Express your answer using…

A: Molarity of a solution is defined as the number of moles of solute to the total volume of solution.

Q: A chemist prepares a solution of iron III  chloride    FeCl3    by measuring out  0.40g  of…

A: Given : mass of FeCl3 dissolved = 0.40 g And volume of solution prepared = 100 mL = 0.100 L…

Q: A student dissolved 4.52 g of Mg(NO3)2(s) in enough water to make 400 mL of solution. What is the…

A: Given: Mass of Magnesium nitrate = 4.52g Volume of Solution = 400mL

Q: If 25.00 mL of a solution of sodium hydroxide (NaOH) is exactly neutralised by 13.47 mL of 0.131 mol…

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Q: A chemist adds 1.35L of a 1.6/molL iron(III) bromide FeBr3 solution to a reaction flask. Calculate…

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Q: A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 7.27 mL sample taken…

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Q: A chemist adds 390.0mL of a 8.14*10^−5M zinc oxalate ZnC2O4 solution to a reaction flask. Calculate…

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Q: Calculate the mass (in grams) of oxalic acid (H2C2O4) needed to make 100.0 mL of a 0.250 M solution.…

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Q: You were tasked to prepare KNO3 solution with a concentration of 0.866 M. What volume (in mL) of…

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Q: How many moles of solute are present in 300. mL of a 0.60 M solution of NaOH? Please report your…

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Q: Suppose 13.8 g of potassium bromide is dissolved in 300. mL of a 0.30 Maqueous solution of silver…

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Q: u

A: Calculate the mass (in grams) of oxalic acid (H2C2O4) needed to make 100.0 mL of a 0.250 M solution.…

Q: Suppose 5.25 g of nickel(II) bromide is dissolved in 100. mL of a 0.20 M aqueous solution of…

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Q: A chemist adds 110.0 of a 1.63 molcalcium bromide (CaBr 2 ) solution to a reaction flask Calculate…

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Q: by measuring out  78.8mg  of  FeBr3  into a  100.mL  volumetric flask and filling to the mark…

A: Given data :  Mass of FeBr3 = 78.8 mg = 0.0788 g (1 g = 1000 mg )  Molar mass of FeBr3 = 295.6 g/mol…

Q: A 7.428 g sample of KHP, a monoprotic acid, requires 49.68 mL of a KOH solution to reach the…

A: The amount of KHP moles in the KOH , concentration:The amount of KHP moles in the sample:For the…

Q: A chemist prepares a solution of vanadiumIII bromide VBr3 by measuring out 0.50g of VBr3 into a…

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Q: A chemist prepares a solution of iron II  bromide    FeBr2    by measuring out  1.0g  of  FeBr2…

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Q: When answering this problem, report the answer with the appropriate number of significant figures.…

A: Given: Volume of sample = 6.5 mL Volume of water added = 50 mL Concentration of NaOH = 0.5824 molar…

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