A chemist prepares a solution of sodium carbonate Na2CO3 by measuring out 11.μmol of sodium carbonate into a 150.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in /molL  of the chemist's sodium carbonate solution. Round your answer to  2  significant digits.

Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 58.6 g of iron(II)…

A: Given, Mass of iron (II) bromide (FeBr2) = 58.6 g Volume of the flask = volume of the solution = 250…

Q: A chemist prepares a solution of sodium chloride (NaC1) by weighing out 7.20 g of sodium chloride…

A: Given: Mass of sodium chloride (NaCl) = 7.20 g. Volume of the solution made = 50 mL. We have to…

Q: A chemist prepares a solution of aluminum chloride AlCl3 by measuring out 4.42g of aluminum chloride…

A: Interpretation -  To determine the  concentration ( in mole/L ) of the chemist's aluminum chloride…

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: A chemist prepares a solution of sodium nitrate (NANO,) by weighing out 281.1 g of sodium nitrate…

A: Given data, Mass of NaNO3 = 281.1g Volume of solution = 450.0mL

Q: A chemist prepares a solution of sodium carbonate (Na2CO3) by measuring out 25.g of sodium carbonate…

A: Given:Mass of Na2CO3 = 25.0 g.Volume of Na2CO3 solution = 100 mL = 0.1 L.Molar mass of Na2CO3 = 106…

Q: A chemist prepares a solution of silver nitrate  AgNO3  by measuring out  0.666kg  of silver…

A: Given values - Weight of AgNO3=0.666kg 1kg = 1000gm  0.666kg = 0.666×1000gm                = 666gm…

Q: A chemist prepares a solution of sodium hyposulfate Na2S2O3 by weighing out 206.0g of sodium…

A: Given that, 206.0 g of sodium hyposulfate, Na2S2O3 dissolved in 300 mL of volumetric flask filled…

Q: A chemist prepares a solution of potassium dichromate (K2Cr,07) by measuring out 35. umol of…

A: The conversion factor for µmol and mol units is:1 µmol = 10-6 mol Hence, 35 µmol = 35 × 10-6 mol…

Q: A chemist prepares a solution of iron(III) bromide (FeBr,) by measuring out 420. g of iron(III)…

A: Given :  Mass of FeBr3 = 420. g  Volume of solution = 350 mL  To calculate :  Concentration of…

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 aluminum sulfate (Al2(SO4)3) by measuring out 15.g of aluminum…

A: Mass of aluminum sulfate = 15 g

Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 125. g of iron(II)…

A: Given-> Weight of FeBr2 = 125 gm  Volume = 350 ml = 0.350 L (1 L = 1000 ml)

Q: A chemist prepares a solution of mercury(I) chloride Hg2Cl2 by measuring out 0.000957μmol of…

A: The concentration is approximately 3.83 x 10-9 mol/L

Q: A chemist prepares a solution of calcium bromide (CaBr2) by measuring out 30.2 µmol of calcium…

A: Given ; moles of CaBr2 = 30.2 micromol And volume of solution = 300 mL

Q: A chemist prepares a solution of copper(II) fluoride (CuF2) by measuring out 0.058g of copper(II)…

A: Given,Mass of CuF2 = 0.058 gVolume of solution = 300 mL = 0.3 L   (1 mL = 0.001 L)Moles of CuF2 can…

Q: A chemist prepares a solution of zinc nitrate by measuring out 78. umol of zinc nitrate into a 100.…

A: Given: The number of micromoles of zinc nitrate present = 78 μmol The volume of the solution = 100…

Q: A chemist prepares a solution of silver(I) nitrate (AgNO3) by measuring out 389. μmol of silver(I)…

A:

Q: A chemist prepares a solution of copper(II) fluoride CuF2 by measuring out 0.0312g of copper(II)…

A: Given that : A chemist prepares a solution of copper(II) fluoride CuF2 by measuring out 0.0312g of…

Q: A chemist prepares a solution of aluminum sulfate (Al2 (SO4),) by measuring out 140. g of aluminum…

A: Molecular weight of aluminium sulphate Al2(SO4)3 is 342.15 gm/mol  According to the question 140 gm…

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

A:

Q: A chemist prepares a solution of calcium bromide (CaBr,) by measuring out 84.7 g of calcium bromide…

A:

Q: mol A chemist makes 760. mL of potassium permanganate (KMNO,) working solution by adding distilled…

A: The given problem relates to stock dilution, so we can use the below relation to calculate the…

Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 152. umol of iron(II)…

A:

Q: Calculate the concentration in /molL  of the chemist's barium chloride solution. Round your answer…

A: Given  Moles of Barium chloride is 44umol Volume of solution is 150 mL We have to determine…

Q: mol A chemist makes 480. mL of iron(II) bromide (FeBr,) working solution by adding distilled water…

A: Initial concentration of FeBr2  M1 = 2.64 mol/L Initial volume = V1 = 220 ml   Final diluted volume…

Q: A chemist prepares a solution of magnesium fluoride (MgF,) by measuring out 0.018 µmol of magnesium…

A: We know that, Concentration (Molarity) = number of moles/volume in litre And, Number of Moles =…

Q: A chemist prepares a solution of copper(II) sulfate (CuSo,) by measuring out 12. g of copper(II)…

A: Given  Mass of CuSO4  =  12 gram  Volume  = 300 mL                = 300 × 10-3 Liter…

Q: A chemist prepares a solution of silver(I) nitrate (AgNO3) by measuring out 78.μmol of silver(I)…

A: Molarity  :  molarity of a solute is the number of moles of solute present in 1 Lit. of solution. It…

Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 63. g of iron(II) bromide…

A:

Q: A chemist prepares a solution of sodium hyposulfate Na2S2O3 by measuring out 279.μmol of sodium…

A: Concentration (M) = number of moles / volume of the solution (in L)                               =…

Q: Calculate the volume in milliliters of a 1.56M sodium nitrate solution

A: Molarity = number of moles/volume of solution (in L)

Q: A chemist prepares a solution of sodium chloride (NaCi) by measuring out 4.66 g of sodium chloride…

A: Given,  Mass of NaCl = 4.66 g  Molar mass of NaCl = 58.5 g/mol  Volume = 50 ml                 =…

Q: A chemist prepares a solution of sodium nitrate (NaNO,) by measuring out 270. g of sodium nitrate…

A:

Q: A chemist prepares a solution of silver nitrate (AGNO,) by measuring out 0.752 kg of silver nitrate…

A: Given : Mass of AgNO3 mixed = 0.752 Kg = 752 g                            (Since 1 Kg = 1000 g) And…

Q: A chemist prepares a solution of zinc oxalate (ZnC,0,) by weighing out 0.837 kg of zinc oxalate into…

A: we need to report the answer in g/dL concentration = mass of solute (in g )/ volume ( in dL) mass of…

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 sodium thiosulfate Na2S2O3 by measuring out 147.g of sodium…

A: 147 g of Na2SO3 is dissolved in 250 ml water Step : 1 Conversion of mass into moles           mass…

Q: he flask to the mark with water. Calculate the concentration in mol/L of the chemist's potassium…

A: Given   A chemist prepares a solution of potassium dichromate (K2Cr2O7) by measuring out 19.4g of…

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: mmol A chemist makes 460. mL of magnesium fluoride (MgF₂) working solution by adding distilled water…

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 chemist prepares a solution of potassium permanganate (KMNO4) by measuring out 36. µmol of…

A: Given, Moles of KMnO4 = 36 µmol Volume of solution = 500 mL = 0.500 L   (1 mL = 0.001 L)

Q: A chemist prepares a solution of aluminum sulfate (Al, (SO)) by measuring out 26.5 g of aluminum…

A: 1.  Given :- mass of Al2(SO4)3 = 26.5 g  volume of solution = 300. mL  To calculate :-  Molar…

Q: concentration

A:

Q: A chemist prepares a solution of potassium permanganate (KMnO4) by measuring out 10. μmol of…

A: The concentration of a substance in mol/L can be expressed in terms of molarity. Molarity of a…

Q: A chemist prepares a solution of mercury(II) iodide (Hgl,) by weighing out 7.148 mg of mercury(II)…

A: Given: weight of HgI2 is 7.148 mg volume of the solution is :150 ml No. of grams  of solute present…

Q: A chemist prepares a solution of aluminum chloride (AICI,) by measuring out 33.5 g of aluminum…

A: Given: Mass of AlCl3 taken = 33.5 g. And volume of solution = 350 mL = 0.350 L…

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

A:

Q: A chemist prepares a solution of iron(II) bromide (FeBr, by measuring out 56.5 µmol of iron(II)…

A: