Suppose you want to make a 0.75 M solution of copper (II) sulfate in a 250 mL volumetric flask. What mass of copper (II) sulfate should you weigh?   Group of answer choices 29.9 g 2.99 x 104 g 479 g 1.17 x 10-3 g

Q: 1.00 mL is taken from a stock solution of concentration 8.47 g/L and added to a 10.0 mL volumetric…

A: Given, Stock solution: Concentration of the stock solution (C1) = 8.47 g/L Volume of the stock…

Q: 3. The 4.00 mL sample of vinegar had a mass of 4.056 g. Calculate the grams of vinegar in one liter.…

A:

Q: A chemist prepares a solution of copper(II) sulfate (CuSO,) by measuring out 20.7 g of copper(I1)…

A: Given :-  mass of copper(II)sulfate = 20.7 g  volume of solution = 500 mL  To calculate :-…

Q: A 3.40 M aqueous solution of LiCI has a density of 1.0758 g/mL. If the total mass of the solution is…

A: given molarity = 3.40M mass of solution = 59 g density of solution = 1.0758 g/ml

Q: For the following questions (Q1-Q5), consider the compound tartrazine (Yellow 5 food dye) that has a…

A: Given, 2.487 x 10-4 moles of tartrazine

Q: A chemist prepares a solution of iron(III) bromide FeBr3  by measuring out  26.g  of iron(III)…

A: Molarity is defined as no of moles of solute per litre of solution. molarity=no of moles of solute…

Q: A chemist prepares a solution of barium chlorate BaClO32 by measuring out 63.μmol of barium…

A: Rules of significant figures: Any non-zero number is significant. Zeros between significant numbers…

Q: Does it make a difference if you use a volumetric flask vs a beaker vs a graduated cylinder to make…

A: There is a difference in the utility of the volumetric flask, beaker, and graduated…

Q: What is the mass % of ethylene glycol in a 2.61 M solution of ethylene glycol (MM = 62.07 g/mol) in…

A:

Q: You want to compare a patient's measured calcium ion concentration to the normal calcium ion…

A: Given that normal range of calcium concentration in blood is 4.5-5.5 mEq/L But result shows a…

Q: A chemistry student weighs out 0.184 g of phosphoric acid (H, PO a triprotic acid, into a 250. ml.…

A: Given data,Mass of H3PO4=0.184gVolume of water=250mL=0.250LMolarity of NaOH=0.1400M

Q: A chemist prepares a solution of copper(II) fluoride CuF2 by measuring out 0.159μmol of copper(II)…

A: Given :- number of moles of CuF2 = 0.159μmol  Volume of solution = 250. mL  To calculate :-…

Q: A chemist prepares a solution of nickel(II) chloride (NiCl,) by measuring out 4.2 umol of nickel(II)…

A: No. of mol of NiCl2 =4.2 μmol Conversion of μmol to mol: Conversion of mol into mmol:

Q: A chemist prepares a solution of barium acetate  BaCH3CO22  by measuring out  27.μmol  of barium…

A: Given: No of moles of Barium acetate = 27μmol Volume of acetate solution = 250mL = (250/1000)L =…

Q: Determine the amount of potassium chloride in each solution. 18.5 g of a solution containing 1.08…

A: Since, mass%=mass of solutemass of solution×100

Q: 1. A solution is prepared by taking a clean and dry 50.0 ml volumetric flask. You are tasked to…

A: Mass of watch glass = 23.5 g Mass of watch glass + salt = 30 g So, Mass of salt = (30-23.5) g = 6.5…

Q: A chemist prepares a solution of barium chlorate BaClO32  by measuring out  50.4g  of barium…

A: Molarity of a solution represents the concentration of a solution, which is expressed in mol/L.…

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 chemistry student weighs out 0.234 g of chloroacetic acid (HCH,CICO,) into a 250. mL volumetric…

A:

Q: A chemist prepares a solution of potassium iodide KI by measuring out  72.g of potassium iodide…

A: Molarity:-                  It is the number of moles of the solute dissolved per litre…

Q: When 35.0 grams of KBr are dissolved in 245 grams of water, an expression for the resulting solution…

A: Answer is  a) 35.0 g KBR per 280 g solution

Q: A chemist prepares a solution of copper(II) fluoride (CuF₂) by weighing out 0.0307 mg of copper(II)…

A:

Q: A chemist must prepare 275. mL of 340. mM aqueous iron(III) bromide (FeBr,) working solution. He'll…

A: Please find the attached file for explanation.so V2 is the volume of stock solution taken to make…

Q: A chemist prepares a solution of nickel(II) chloride (NICI,) by measuring out 1.2x 10 jumol of…

A: Moles of NiCl2=1.2×102 μmol Volume=250 mL

Q: A chemist prepares a solution of nickel(II) chloride NiCl2 by weighing out  48.2g of nickel(II)…

A: The number of moles for a given chemical species refers to the ratio of mass to the molar mass. The…

Q: solution was standardized using 0.256 g of sodium carbonate. (Na2CO3 = 106 g/mol; HCl = 36.46 g/mol)…

A: Given,  Mass of Na2CO3 = 0.256 g Na2CO3 = 106 g/mol; HCl = 36.46 g/mol) Moles of Na2CO3 = mass/Molar…

Q: A chemist adds 75.0 mL of a 3.20 g/dL potassium dichromate (K,Cr,0, solution to a flask. Calculate…

A: Concentration of potassium dichromate(K2Cr2O7) = 3.20g/dL Volume of the solution = 75.0ml = 75.0ml ×…

Q: IV (intravenous) solutions are mixtures of sugars, salts and other aqueous solutes fed directly to a…

A: Answer

Q: IV (intravenous) solutions are mixtures of sugars, salts and other aqueous solutes fed directly to a…

A: We have given that  Concentration of glucose = 5% by mass   Given that : density of Solution : 1g/mL…

Q: chemist prepares a solution of barium acetate  BaC2H3O22  by measuring out  105.g  of barium…

A: Given that:  Mass of barium acetate = 105.g  Volume of solution = 250.ml = 250 ml×1L/1000ml = 0.250L…

Q: A 65.00 mL sample of 0.5 M nitric acid is introduced into a flask, and water is added until the…

A:

Q: A chemist prepares a solution of mercury(I) chloride (Hg2Cl2) by measuring out 0.000221μmol of…

A: Recall the expression to calculate concentration      concentration=amount of Hg2Cl2μmolVolume of…

Q: A chemistry student weighs out 0.379 g of citric acid (H,C,H,O,), a triprotic acid, into a 250. mL…

A: Given data is as follows: The mass of citric acid = 0.379 g The volume of citric acid V1= 250 mL The…

Q: When 25.0 grams of NaCl are dissolved in 675. grams of water, an expression for the resulting…

A: Given: Weight of NaCl = 25.0 g Weight of water = 675 g

Q: A chemist prepares a solution of barium acetate BaC2H3O22 by measuring out 83.g of barium acetate…

A: Given that, A chemist prepares a barium acetate [(CH3COO)2Ba] solution in a 250 mL volumetric flask…

Q: A chemist prepares a solution of silver(I) nitrate AgNO3 by measuring out ×6.4102μmol of silver(I)…

A: Moles of Silver Nitrate = 6.4102 μmol Volume of Silver Nitrate = 450 mL The concentration is to be…

Q: What volume (in mL) of a 1.8 M solution is required to make 126 mL of a 0.41 M solution? In the…

A: Given data Initial concentration : C1 = 1.8 M Final concentration : C2 = 0.41 M Final volume  : V2 =…

Q: A chemistry student weighs out 0.211 g of chloroacetic acid (HCH,CICO,) into a 250. mL volumetric…

A:

Q: A chemist prepares a solution of zinc oxalate (ZnC2O4 )by measuring out 4.97 mg of zinc oxalate into…

A: The concentration of the solution can be calculated using different methods. One of them is…

Q: A chemistry student weighs out 0.103 g of chloroacetic acid (HCH, CICO,) into a 250. mL volumetric…

A:

Q: A chemist prepares a solution of mercury(I) chloride (Hg,CI,) by measuring out 0.389 mg of…

A: given :-  mass of Hg2Cl2 = 0.389 mg  volume of solution = 100. mL  To calculate :-  concentration of…

Q: A chemistry student weighs out 0.0176 g of formic acid (HCHO,) into a 250. mL volumetric flask and…

A:

Q: A chemist prepares a solution of copper(II) fluoride  CuF2  by weighing out  0.07319g  of…

A: Mass of copper(II) flouride = 0.07319 g  Volume of water = 500 ml = 0.5 L  Concentration of…

Q: A chemistry student weighs out 0.282 g of ascorbic acid (H,C¸H¸O), a diprotic acid, into a 250. mL…

A: Given : Mass of H2C6H6O6 = 0.282 g And concentration of NaOH = 0.2000 M The neutralisation reaction…

Q: You can easily measure the volume of NaOH or HCl solution using a graduated cylinder. What piece of…

A: By taking volume and density we can measure the mass of NaOH or HCl without using a balance. Density…

Q: com/alekscgi/x/Isl.exe/1o_u-IgNslkr/J8P3JH-IBEWe Maps O MEASUREMENT Lindsay Adding or subtracting…

A: The question is based on the concept of solutions. we have to calculate concentration of sodium…

Q: An analytical chemist weighs out 0.061 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given: Mass of acid = 0.061 g Molarity of NaOH = 0.1900 M Volume of NaOH = 3.3 mL = 0.0033 L

Q: A chemist prepares a solution of calcium bromide (CaBr,) by measuring out 68. g of calcium bromide…

A:

Q: The molecular weight of sucrose is 342 g mol-1. How many grams would you need to weigh out, to…

A: •GIVEN=Molecular weight of sucrose=342 gm/mol •Molarity=0.8 M •Volume=20 ml=0.02 Litre •*Firstly we…

Q: A chemist prepares a solution of magnesium fluoride (MgF,) by measuring out 9.9 mg of magnesium…

A: Given, mass of MgF2 = 9.9 mg = 0.0099 g  Volume of the solution = 350. mL = 0.350 L Note: molar mass…