A chemist prepares a solution of iron III  chloride    FeCl3    by measuring out  0.40g  of  FeCl3  into a  100.mL  volumetric flask and filling to the mark with distilled water.   Calculate the molarity of  Cl−  anions in the chemist's solution.   Be sure your answer is rounded to  2  significant digits.

Q: In the lab, a student makes a solution of CaCl 2 by dissolving 9.0 grams of solid in 425 mL of…

A: We have given that  Mass of CaCl2 = 9 gram  Volume of solution = 425ml = 0.425L  We know that…

Q: A geologist discovers a magnesium carbonate hydroxide hydrated salt with the chemical formula…

A: To calculate the number of water of hydration are present in the original hydrated salt.

Q: A reagent bottle is labelled 3.00 M sulfuric acid. You titrate a 25 mL sample with 1.58 N sodium…

A: neutralisation reaction are reaction where the acid and base react to form a salt and water here we…

Q: A student wants to make a 0.600 M aqueous solution of barium sulfate, BaSO4, and has a bottle…

A: final volume = 85.7 mL

Q: Exactly 6.21 g of MgCl2 (molar mass = 95.2 g/mol) was dissolved in water.  An analysis indicated…

A:

Q: . Solid sodium fluoride is slowly added to 125 mL of a 0.111 M calcium bromide solution until the…

A: The solubility product of salt is a constant at a given temperature irrespective of the source from…

Q: Calculate the concentration in /μmol/L of the chemist's magnesium fluoride solution.

A: Given :- number of moles of MgF2 = 0.00387μmol  Volume of solution = 100 mL  To be calculated :-…

Q: Calcium nitrate  (Ca(NO3)2 ; MM =164.0878 g/mol)) dissolves in cold water to the extent of 266 g per…

A: Given: Calcium nitrate [Ca(NO3)2] dissolves in cold water to the extent of 266 g per 100 mL Ca(NO3)2…

Q: In the laboratory, a student dilutes 22.9 mL of a 11.9 M nitric acid solution to a total volume of…

A: Moles of solute remain constant during dilution. Moles of solute = molarity x volume of solution…

Q: What is the molarity of a solution that contains 140 grams of calcium chloride (CaCl2) dissolved in…

A: Given, mass of calcium chloride (CaCl2) = 140 g Note: Assuming no change in the volume  Volume of…

Q: How many moles and numbers of ions of each type are present in the following aqueous solution? Give…

A: Moles of solution or ion is calculated using formula of molarity which is given as follows:-…

Q: A solution is prepared by dissolving 45.6 g of Mg(NO3)2 in 515 g of water. The density of the…

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: chemist prepares a solution of nickel(II) chloride NiCl2 by measuring out ×1.010^2μmolof nickel(II)…

A:

Q: An analytical chemist weighs out 0.133 g of an unknown diprotic acid into a 250 mL volumetric flask…

A:

Q: In the laboratory you dissolve 18.2 g of iron(II) nitrate in a volumetric flask and add water to a…

A: The molar mass of Iron = 55.845g/mol The molar mass of Nitrogen = 14g/mol The molar mass of Oxygen =…

Q: How many moles and numbers of ions of each type are present in the following aqueous solution? 71.8…

A: Magnesium chloride is highly soluble in water and thus it exists in solution as-   Therefore, 1…

Q: A chemist adds 320.0mL of a 2.1 M calcium bromide (CaBr2) solution to a reaction flask. Calculate…

A: From the given volume and molarity of the solution, moles of calcium bromide can be calculated as

Q: A chemist prepares a solution of silver perchlorate AgClO4 by measuring out 0.58kg of silver…

A: Mass of silver perchlorate=0.58 kg=580 g  Molar mass of silver perchlorate = 207.319 g/mol Moles =…

Q: An aqueous solution of manganese (II) iodide,MnI2,is made by dissolving 21.1 grams of manganese(II)…

A: Weight/Volume percentage = it tells about amount of solute present per 100 mL of solutionWeight of…

Q: In the laboratory, you dissolve 13.1 g of zinc chloride in a volumetric flask and add water to a…

A: We have given that Mass of zinc chloride = 13.1 g Total volume of solution = 250 mL = 0.25 L Molar…

Q: A student wants to make a 1.600 M aqueous solution of barium sulfate, BasO4, and has a bottle…

A:

Q: A chemist prepares a solution of potassium iodide (KI) by measuring out 7.2x10^2 μmol of potassium…

A:

Q: A chemistry student weighs out 0.212 g of lactic acid (HC,H,03) into a 250. mL volumetric flask and…

A: Given, mass of lactic acid = 0.212 g            volume of solution  250. mL            molarity of…

Q: n the laboratory you dissolve 12.2 g of magnesium iodide in a volumetric flask and add water to a…

A:

Q: When solutions of silver nitrate and sodium chloride are mixed, silver chloride precipitates out of…

A: Consider the given balanced equation is as follows; Reaction:       AgNO3aq     +    NaClaq      →…

Q: A chemistry student weighs out 0.0767 g of acetic acid distilled water. He plans to titrate the acid…

A:

Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

A: Answer

Q: A 20.00 mL sample of 0.1015 M nitric acid is introduced into a flask, and water is added until the…

A:

Q: If you are asked to prepare a 3.10 M NaOH solution in the laboratory, to what volume should you…

A:

Q: diluted

A: mmoles of HCl = ( Molarity ) • ( volume )  mmoles of HCl = 3.00molL-1 • 25.00mL  mmoles of HCl =…

Q: 5. A solution of barium hydroxide, Ba(OH)2, contains 4.285 g of barium hydroxide in 100.0 mL of…

A:

Q: 1. If the density of ocean water at a depth of 1.00 x 104 m is 1.071 g/mL and if 26.0 g of water at…

A: 1. Calculating molarity of potassium chloride in the sample: Given:

Q: In the laboratory you dissolve 23.7 g of sodium sulfate in a volumetric flask and add water to a…

A: The ratio of moles of solute to the volume of solution in liters is known as molarity.

Q: In the laboratory, a student dilutes 22.3 of 6.05 M perchloric acid solution to a total volume of…

A: By using the concept of law of equivalent ie;     M1V1=M2V2

Q: How many moles and numbers of ions of each type are present in the following aqueous solution? 51.7…

A: Given : Concentration of MgCl2 = 1.35 M And volume of MgCl2 solution = 51.7 mL = 0.0517 L…

Q: the molarity of Cl- if a solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The…

A: The molarity of a solution is given by following formula,M=mass of solutemolar mass of…

Q: Na2CO3(aq) + CaCl2(aq) – → 2 NaCl(aq) + CaCO3(s) Calculate the volume (in mL) of 0.100 M Na,CO3…

A: The balanced reaction taking place is given as, Given: Mass of CaCO3 produced = 1.00 g. And the…

Q: In the lab, a student makes a solution of NaOH by dissolving 49.0 grams of solid in 195 mL of water.…

A:

Q: In the laboratory you dissolve 15.8 g of nickel(II) bromide in a volumetric flask and add water to a…

A: Answer:- This question is answered by using the simple concept of calculation of molarity of the…

Q: A chemist prepares a solution of nickel(II) chloride NiCl2 by measuring out 97.μmol of nickel(II)…

A: Molarity of a solution is defined as the amount of solute present in one litre of solution. It is…

Q: A chemist prepares a solution of potassium bromide    KBr    by measuring out  0.17g  of  KBr…

A: Given : Mass of KBr dissolved = 0.17 g Volume of final solution = 300 mL = 0.300 L…

Q: An aqueous potassium iodate (KIO3) solution is made by dissolving 536 grams of KIO3 in sufficient…

A: Morality[m]:- It is the number of moles of solute dissolved per litre of thesolution. It is…

Q: A chemist adds 195.0 mL of a 0.0685 mM barium acetate (Ba(C,H;02),) : solution to a reaction flask.…

A:

Q: An aqueous solution of nickel(II) bromide, NiBr2, is made by dissolving 11.2 grams of nickel(II)…

A: Given-> Weight of nickel(2)bromide = 11.2 gm Volume = 250 ml

Q: A chemistry student weighs out 0.0960 g of phosphoric acid (H,PO4), a triprotic acid, into a 250. mL…

A: Given: Mass of H3PO4  = 0.0960 g Volume of H3PO4 solution = 250.0 mL = 0.250 L Molar mass of H3PO4 =…

Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 97.1 mg of FeBr, into a…

A:

Q: chemist prepares a solution of silver(I) nitrate AgNO3 by measuring out 6.4102 x 10^2 μmol of…

A: Molarity is defined as total number of solute dissolve in one litre of solution Molarity…

Q: Calcium hypochlorite [Ca(OCI)2l is an effective disinfectant for clothing and bedding. If a solution…

A: From given With the given mass and its molar mass , molarity is calculated as follows

Q: Suppose you were preparing 1.0 L of a bleaching solution in a volumetric flask, and it calls for…

A: The answer to the following question is given as: