A chemist adds 350.0 mL of a 0.039 umol/L barium chloride (BaCl,) solution to a reaction flask. Calculate the millimoles of barium chloride the chemist has added to the flask. Round your answer to 2 significant digits. mmol

Q: During cold weather, calcium chloride is added to concrete to increase the speed at which the…

A: Here 100 ml samle of aqueous solution of calcium chloride is diluted to make volume 345 ml and the…

Q: A chemist prepares a solution of iron(III) bromide (FeBr,) by measuring out 132. umol of iron(III)…

A: Given data No of moles of iron(iii)bromide = 132 micromoles Volume of the solution = 350 ml…

Q: A chemist prepares a solution of aluminum sulfite (Al, (SO3). ) by measuring out 81.0 µmol of…

A: Mol/L or molarity is the concentration unit of solution which is defined as no of mole of solute…

Q: A chemist adds 365.0mL of a 1.1/molL sodium nitrate NaNO3 solution to a reaction flask. Calculate…

A: Given: Concentration of NaNO3 = 1.1 mol/L. And volume of solution added = 365.0 mL = 0.3650 L…

Q: A chemist prepares a solution of zinc oxalate (ZnC,0) by measuring out 0.013 g of zinc oxalate Into…

A: We have given that ,  The mass of Zinc Oxalate = 0.013g Volume of Solution = 500mL =0.5 L  To find…

Q: Concentrated acetic acid is 17 M; whereas white vinegar is 0.765 M acetic acid. How much…

A: Given: Concentration of concentrated acetic acid = 17 M Concentration of vinegar = 0.765 M And…

Q: A chemist adds 105.0 mL of a 0.243 M aluminum chloride (AICI,) solution to a reaction flask.…

A: From the question Moles of AlCl3 = 0.243 1 mole = 1000 mmole

Q: How many grams of sucrose are needed to make 815 mL815 mL of a 36.0% (w/v)36.0% (w/v) sucrose…

A: Given data: 815 mL of a 36.0% (w/v) sucrose solution   w/v % represents the weight or grams of…

Q: A chemist adds 0.90 L of a 0.459M barium acetate (Ba(C,H;O,),) solution to a reaction flask.…

A:

Q: What is the mass of a solution if 25.0 ml of NaOH was added to 35 0 ml of water? Assume a density of…

A: Since the volume of water is not clear, assuming it is 350 mL and the density of solution is 1.00…

Q: A chemist adds 350.0 mL of a 2.2 mol/L potassium iodide (KI) solution to a reaction flask. Calculate…

A:

Q: A chemist prepares a solution of silver(I) perchlorate (AgCIO,) by measuring out 5.9 × 10´ µµmol of…

A: Concentration in terms of molarity is defined as the moles of solute present per litre of the…

Q: You have a 0.561 M solution of magnesium chloride. You pour out 389.8 mL. of this solution. How many…

A: Given that:  Molarity of Magnesium chloride (MgCl2) = 0.561M  Volume of solution = 389.8ml =…

Q: What volume of a 4.60 M solution of NaNO3 do you need to make 0.450 L of a 1.00 M solution of NaNO3?…

A: The dilution law is shown below: M1×V1 = M2×V2 M1 = molarity for concentrated solution M2 = molarity…

Q: If 123 mL of a 1.3 M glucose solution is diluted to 450.0 mL , what is the molarity of the diluted…

A: By using simple dilution equation the molarity of resultant solution can be calculated. The formula…

Q: A chemist prepares a solution of calcium sulfate (CaSO,) by measuring out 0.15 µmol of calcium…

A:

Q: A chemist prepares a solution of mercury(II) lodide (Hgl,) by measuring out 0.00033 umol of…

A: Given :-  No. of moles of HgI2 = 0.00033 umol  Volume of solution = 150. mL  To calculate :…

Q: A chemist adds 55.0 mL of a 4.75M silver perchlorate (AgCIO,) solution to a reaction flask.…

A: Molarity of a solution is defined as, moles of solute present in 1 literally of solution.  Molarity…

Q: How many grams of calcium hydroxide are required to completely neutralize 475 mL of 0.48 M…

A:

Q: mass in grams of aluminum chloride

A:

Q: A chemist adds 440.0 mL of a 2.59 x 10 -4 umol/L magnesium fluoride (MgF, solution to a reaction…

A: 1 μmole = 10-3 millimoles

Q: A chemist prepares a solution of silver(I) nitrate AgNO3 by measuring out 210.μmol of silver(I)…

A:

Q: How many grams of sucrose are needed to make 625 mL of a 32.0% (w/v) sucrose solution?

A:

Q: What volume of a concentrated HCl solution, which is 36.0% HCl by mass and has a density of 1.179…

A: 1)  pH of HCl solution to be prepared =1.9

Q: A chemist prepares a solution of silver perchlorate (AgCIO,) by measuring out 1.9 kg of silver…

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…

Q: A chemist must dilute 21.1mL of 6.81M aqueous calcium bromide CaBr2 solution until the concentration…

A: Here we have to see the concept of dilution. When we dilute the concentrated solution to low…

Q: If 124 mL of a 1.2 M glucose solution is diluted to 550.0 mL , what is the molarity of the diluted…

A: The molarity of the given chemical solution is related to the number of moles of the solute and the…

Q: A student in the laboratory needs a 0.125 M sulfuric acid solution, H,SO,. What volume in mL, of a…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: A chemist prepares a solution of calcium sulfate (CaSO)4 by measuring out 0.258μmol of calcium…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: What is the concentration of sodium chloride in the final solution if 18.50 mL of 0.125 M BaCl2…

A: From the moles of sodium chloride we can calculate the concentration of sodium chloride.

Q: A chemist adds 445.0mL of a 0.024M copper(II) sulfate (CuSO4) solution to a reaction flask.…

A: Given data,

Q: A chemist prepares a solution of vanadiumIII bromide VBr3 by measuring out 0.40g of VBr3 into a…

A: Molar mass of VBr3 = Atomic mass of V + 3 X Atomic mass of Br = 51 + 3 X 80 = 291 g/mol Given : Mass…

Q: A student prepared a standard copper solution by combining 2.63 mL of stock 0.270 mol/L copper(II)…

A: Recall the following relation        V1×M1=V2×M2Given that,initial volumeV1=2.63 mL        initial…

Q: O CHEMICAL REACTIONS Using molarity to find solute moles and solution volume Calculate the volume in…

A: Molarity: Concentration of solute is given in the term of molarity, it is…

Q: A chemist prepares a solution of barium chlorate (Ba(ClO,)) by measuring out 7.47 umol of barium…

A: Given;

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

A:

Q: What volume, in mL, of 10.9 M HCl is required to make 492 mL of 0.546 M HCl?   Include 3…

A:

Q: An analytical chemist weighs out 0.067 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given,  Mass of diprotic acid     = 0.067 g  Volume of diprotic acid = 250 mL  =  0.25 L Molarity of…

Q: A chemist adds 250.0 mL of a 0.0987µM barium acetate (Ba(C,H,O,) solution to a reaction flask.…

A: Given, The volume of the solution is 250 ml = 0.25 L The molarity of barium acetate is 0.0987 μM =…

Q: A solution of cobalt(II) chloride is analyzed, and the concentration of cobalt(II) ions is found to…

A: The given data is as follows: The concentration of cobalt(II) ions = 0.42 mol/L The concentration of…

Q: A chemist prepares a solution of sodium thiosulfate (Na, S,O,) by measuring out 121. g of sodium…

A: Given : Mass of Na2S2O3 = 121 g And volume of solution = 200 mL = 0.200 L…

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 must write down in her lab notebook the concentration of a solution of sodium…

A: Given: The mass of the empty graduated cylinder is 8.25 g. The total mass of the graduated cylinder…

Q: A chemist prepares a solution of potassium permanganate (KMNO,) by measuring out 0.28 umol of…

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

Q: Calculating molarity usihy A chemist prepares a solution of mercury(I) chloride (Hg,Cl, ) by…

A: Given, mass of mercury (I) chloride (Hg2Cl2) = 1.0 mg = 0.001 g Volume of the volumetric flask =…

Q: You have just added 25 uL serum to a tube that contains 750 uL of water. What is the correct…

A:

Q: You dissolve 7.01 mol of glucose into a total volume of 438 mL.  What is the molarity of glucose in…

A:

Q: You have 351g of sodium chloride available and you need to compound a 3.7% solution. If you use the…

A: 3.7% solution means 3.7 g solute in 100 mL solution.

Q: A chemist adds 410.0 mL of a 0,5I7 l L sodium thiesunte (NaS.0 solution to a reaction flask.…

A: Given: Volume of Na2S2O3 solution = 410.0 mL = 0.410 L                         (Since 1 L = 1000 mL)…

Q: A chemist adds 450.0 mL of a 1.0 mol/L barium acetate (Ba (C,H,0,),) solution to a reaction flask.…

A: Volume of solution = 450.0 ml  ...Or  because 1L = 1000 ml    ....so, 450.0 ml × (1L / 1000 ml ) =…