Q: A chemist prepares a solution of iron (II) chloride (FeCl₂) by measuring out 33. mg of FeCl₂ into a…
A: According to the question, The mass of the FeCl2 = 33 mg The volume of the solution = 50 mL Find:…
Q: Convert 39.8 kg of NaCl per 100 kg of water to kg mol of NaCl per kg mol of water
A: Mass of NaCl = 39.8 Kg Mass of water = 100 Kg Moles of Nacl = mass of NaCl / MW of NaCl = 39.8 Kg…
Q: Calculate the volume in liters of a 0.12/molL potassium permanganate solution that contains 125.g of…
A: Given that,Potassium permanganate is said to have molarity of 0.12 mol/L, It means 1 L solution…
Q: Fill in the missing part of this equation. Note: your answer should be in the form of one or more…
A: 1 kPa = 103 Pa 103 Pa = 1 KPa 1 m = 100 cm 1 m3 = (100)3 cm3 1 m3 = 106 cm3 1 cm3 = 10-6 m3
Q: Aqueous hydrobromic acid HBr will react with solid sodium hydroxide NaOH to produce aqueous…
A: Given mass of HBr = 36 gram mass of NaOH = 10.9 gram mass of water = ?
Q: mol kg x m² 3.95× 108 mol 8x cm²
A:
Q: At a certain temperature, an aqueous solution is 16.5% K2CO3 by mass and has a density of 1.149…
A: Given: density of solution = 1.149 g/cm3 Molar mass of K2CO3 = 138.205 g/mol Mass percent of…
Q: concentration in n
A:
Q: chemist prepares a solution of nickel(II) chloride NiCl2 by measuring out ×1.010^2μmolof nickel(II)…
A:
Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…
A: Given: equation To find: the solution with units of the equation.
Q: kg 0.00134 mol · dL mol ·L ?
A: Given : 0.00134 kg/mol . dL 1 kg = 1000 g 1 dL = 0.1 L
Q: A chemist prepares a solution of potassium dichromate (K,Cr, O,) by measuring out 63.7 µumol of…
A:
Q: A chemist prepares a solution of aluminum chloride (AICI,) by measuring out 49.6 umol of aluminum…
A: We have to express the concentration in mmol/L. It is given that 49.6 micromoles of AlC3 is used, So…
Q: themist prepares a solution of potassium chloride (KCl) by measuring out 43. mg of KCl into a 50. mL…
A:
Q: What mass of KBr (in grams) should you use to make 319 mL of a 1.59 Msolution of KBr? The molar…
A:
Q: A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 223. µmol of iron(II)…
A: From given data Number of moles, n = 223 µmol Volume of solution, V = 200 mL = 0.2 L As,…
Q: A solution of CaCl2 in water forms a mixture that is 40.5% calcium chloride by mass. If the total…
A:
Q: A chemist prepares a solution of calcium sulfate (CaSo,) by measuring out 0.0770 µmol of calcium…
A:
Q: Compare the slope in the picture with the literature value of 11,100 liter • mol-1 • cm-1. You will…
A: The Beer-Lambert law is used to determine the concentration of a solution by observing the…
Q: A chemist adds 145.0 mL of a 0.00260 mol/L calcium sulfate (CaSO.) solution to a reaction flask.…
A: Given volume = 145 ml Molarity = 0.00260 mol/litre Molarity = number of moles Volume in litre
Q: Suppose 0.377 g of potassium chloride is dissolved in 100. mL of a 37.0 m M aqueous solution of…
A:
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: How many mL of liquid mercury with a density of 13.6g/mL must you dispense to have 1.56 x 10-3 mol
A:
Q: A chemist adds 1.75 L of a 2.80 × 10 -5 mol/L mercury(II) iodide (Hgl,) solution to a reaction…
A: The concentration of any solution can be given by its molarity, molality and normality. The molarity…
Q: Convert the following measurement. kg 4 5.4 x 10 g mol · L mol · dL
A:
Q: e density of 85% phosphoric acid is cm. What is the volume of a solution that o 17a of ph eonhorie…
A: Density= 1.70g/cm3 Mass = 17g Let us take volume of solution to be x So as shown below And we…
Q: 1.1315g NH4SCN solid was dissolved in sufficient water to make 50.00 mL of solution. What is the…
A: Given data contains, Amount of NH4SCN in grams is 1.1315 g. Volume of the solution is 50.00 mL.…
Q: Suppose 1.24 g of sodium chloride is dissolved in 200. mL of a 28.0 m M aqueous solution of silver…
A:
Q: The first-order rate constant for the decomposition of N2O5, 2N2O5 (g)→4NO2 (g) + O2 (g) -3 at 70°C…
A: Given reaction: 2N2O5 (g) → 4NO2 (g) + O2 (g) The first-order rate constant = 6.82 × 10-3 s-1 The…
Q: A chemist prepares a solution of potassium bromide (KBr) by measuring out 31. mg of KBr into a 100.…
A:
Q: Convert the following measurement. - 6 7.7 × 10 kg g mol · dL mol · L
A: Given data 7.7 × 10-6 Kgmol.dL To convert it into gmol.L
Q: Example 8. The laboratory reagent, concentrated nitric acid, is generally 69 per cent by mass of…
A: Given: The mass of the nitric acid solution is 19.9 g. The density of the nitric acid solution is…
Q: Which of the following atoms will have the largest difference between IE4 and IE5? Group of answer…
A: Oxygen and sulfur both atoms not have largest difference between the IE4 and IE5 because after…
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: A chemist prepares a solution of vanadium(III) bromide (VBr) by measuring out 12. mg of VBr, into a…
A: Given, Note: 1000 mg = 1 g, 1000 mL = 1 L mass of VBr3 = 12. mg = 0.012 g Volume of the flask =…
Q: Your 50 mL beaker has a mass of 5.85 g. You add 10.00 mL to the 50 mL beaker and now the total mass…
A:
How do I convert 1.95×10^3 mol Hg to g
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- How many mL of liquid mercury with a density of 13.6g/mL must you dispense to have 1.56 x 10-3 molSuppose 1.24 g of sodium chloride is dissolved in 200. mL of a 28.0 m M aqueous solution of silver nitrate. Calculate the final molarity of sodium cation in the solution. You can assume the volume of the solution doesn't change when the sodium chloride is dissolved in it. Be sure your answer has the correct number of significant digits. ol M x10 Ar6. Convert 39.8 kg of NaCl per 100 kg of water to kg mol of NaCl per kg mol of water I
- A student sets up the following equation to solve a problem In solution stolchlometry. (The ? stands for a number the student is going to calculate.) Enter the units of the student's answer. 1 mL (0.34 L) 1.91 mL x10 -3 10 L 147.05 mol Continue oloConvert the following measurement.A solution of CaCl2 in water forms a mixture that is 40.5% calcium chloride by mass. If the total mass of the mixture is 983.2g, what masses of CaCl2 and water we used? mass of CaCl2= g mass of water= g
- A chemist prepares a solution of iron(II) bromide (FeBr,) by measuring out 223. umol of iron(II) bromide into a 200. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in umol/L of the chemist's iron(II) bromide solution. Be sure your answer has the correct number of significant digits. H mol L(The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. Note: your answer should be in the form of one or more fractions multiplied together. (-5.1 x 10' Pa cm' 3 3 = ? kPa·m x10A chemist prepares a solution of potassium dichromate (K, Cr,0,) by measuring out 63.7 umol of potassium dichromate into a 450. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in umol/L of the chemist's potassium dichromate solution. Be sure your answer has the correct number of significant digits. H mol L
- A chemist prepares a solution of calcium sulfate (CaSO)4 by measuring out 0.258μmol of calcium sulfate into a 500.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration inmmol/L of the chemist's calcium sulfate solution. Be sure your answer has the correct number of significant digits.A chemist prepares a solution of aluminum chloride (AlCl,) by measuring out 49.6 µumol of aluminum chloride into a 400. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mmol/L of the chemist's aluminum chloride solution. Round your answer to 3 significant digits. mmol Ox10 L OConvert the following measurement. - 6 7.7 x 10 kg g mol · dL mol · L
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