How many grams of calcium chloride are required to make 0.450 L of a 2.4 % CaCl2 (m/v) solution?

Q: How many grams of glucose are needed to prepare 500 mL of a 2.0% (m/v) glucose solution?

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Q: How many grams of MgCl2 are needed to make 700.0 mL of a 1.4 M solution? How many grams of NaBr…

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Q: Determine how many grams of sodium phosphate would be needed to prepare 455 mL of a 2.50% (m/v)…

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Q: a)How many milligrams of mercury(I) chloride (Hg2Cl2) must be present in a 288 mL sample of water to…

A: Given: volume of solvent (water)=288 mL ppm (m/v) of Hg2Cl2 = 4.40 ppm To find: mass of solute…

Q: Determine the volume of 53.2% (m/v) NaCl stock solution required to prepare 856 mL of a 2.25 M NaCl…

A: The concentration of the stock solution is = 53.2 % (m/v) The volume of the dilute solution = 856 mL…

Q: How many grams of lithium bromide (LiBr) must be added to 31.7 g of water to prepare a 21.3% (m/m)…

A: Mass Percentage is the simplest way of expressing the value of the concentration of an element…

Q: How many grams of glucose are needed to prepare 400. mL of a 2.0%(m/v) glucose solution?

A: The amount of glucose needed to prepare 2%(m/v) glucose solution is given below

Q: A 10.5%(w/w) NiCl2 solution has a density of 1.149 g/mL. What is the mass in grams of Ni2+ contained…

A: Given : 10.5%(w/w) means 10.5 grams of NiCl2 (solute) present in 100 grams of solution. Mass of 1 L…

Q: 1.) If I have a gas with a pressure of 0.800 atm, what is its pressure in mmHg? 2.) If 10. g of CO2…

A: 1)  given  Pressure (P) = 0.8 atm                 1 atm 760 mm Hg Pressure in (mm Hg) = 0.8×760 =…

Q: Calculate the mass, in grams, of KCl needed to prepare 225.0 g of 5.000 %(m/m) KCl solution.

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Q: e molarity of a 9.00% by mass ammonium chloride aqueous solution at 20 celsius? Density of the…

A: Molarity is defined as number of moles of solute dissolved per liter of solution. It is the…

Q: The number of grams of  CaCl2 in 70.0 mL of 2.60% (w/v) CaCl2 solution

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Q: How many grams of NaCl are present in 50.0 mL of a 7.50%(m/v) NaCl solution?

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Q: How many grams of lithium fluoride (LiF) must be added to 93.2 g of water to prepare a 10.5% (m/m)…

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Q: A 6.00% (m/v) NaCl solution contains 15.1g of NaCl. What is the total volume of the solution in ml?

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Q: What volume of a 4.00 % (m/v) CaCl2 solution is needed to obtain 5.00 g of CaCl2?

A: The mass by volume percent of CaCl2 solution is 4.00 %.The mass of CaCl2 is 5.00 g.To find the…

Q: QUESTION 10. What is the initial volume, in milliliters (mL) needed to prepare each of the…

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Q: How many grams of Al(NO3)3 are required to make 52.4mL of 11.2% (m/v) solution?

A: ♣ MassVolume percent or % mv is defined as the mass of solute in grams are dissolved in 100 mL of…

Q: Calculate the mass of KCl needed to prepare 200.0 g of 5.00% (m/m) KCl solution.

A: Here, we have to calculate the mass of KCl needed to prepare 200.0 g of 5.00%(m/m) KCl solution.

Q: How many grams of NaCl and water are required to make 100 g of a 20% (w/w) NaCl solution?

A: We knew that  (W/W %) = (mass of solute) /(mass of  solution)×100% Where mass of solution = mass of…

Q: How many grams of Na2CO3 are needed to prepare 48.8 mL of a 1.31%(m/v) Na2CO3 solution?

A: There are several ways of determining the concentration of a solute in a solution such as: Mass…

Q: How many milligrams of mercury(I) chloride (Hg2Cl2) must be present in a 325 mL sample of water to…

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Q: How many grams of NaBr are needed to prepare 27.5 g of 7.46% (w/w) NaBr solution in water? How many…

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Q: How many milligrams of mercury(I) chloride (Hg2Cl2) must be present in a 325 mL sample of water to…

A: Since ppm (m/v) is defined as the mass of solute present in 106 mL of solvent  i.e ppm (m/v) = mass…

Q: How many grams of NaCl should be added to 225 g of water to prepare a 7.52%(m/m) NaCl solution?

A: Given: The concentration of the NaCl solution in terms of mass %=7.52%. The mass of water taken to…

Q: Calculate the mass, in grams, of K2SO4 needed to prepare 32.00 g of 2.000%(m/m) K2SO4 solution.

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Q: A 4.028 m aqueous ethylene glycol (C2H6O2, 62.07 g/mol) solution has a density of about 1.024 g/mL…

A: Assuming we are using V ml of solution. Hence mass of solution = density X volume = 1.024 X V =…

Q: A sodium chloride solution may be used in a diet that is low in sodium. A NaCl solution is prepared…

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Q: What mass of NaCl in grams is needed to prepare 2,500 g of 1.5%(m/m) NaCl solution?

A: Given data: Mass of the solution=2,500 g. The percent by mass of NaCl solution=1.5%. To calculate:…

Q: Calculate the grams of a 2.0% (m/m) NaCl solution that contains 7.50g of NaCl.

A: Amount of NaCl solution can be determined using the given formula,

Q: What is the mass/volume percent (% w/v) of potassium chloride in a 0.335 M aqueous potassium…

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Q: if an ethylene glycol (C2H4(OH)2) and water solution is 3.82 m how many g of ethylene glycol are…

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Q: How many mL of benzene (C6H6; D = 0.877 g/mL) must be added to 187 mL hexane (C6H14; D = 0.660 g/mL)…

A: mL of benzene needed for the solution = ?

Q: Prepare 50 mL of an aqueous solution of 2.5% (w/v) NaCl (sodium  chloride, salt).

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Q: 6. Acetone, C3H6, is the main ingredient of nail polish remover. A solution is made up by adding…

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Q: 4 a)The mole fraction of iron(III) nitrate, Fe(NO3)3, in an aqueous solution is 6.42×10-2 . The…

A: The composition of a mixture can be expressed in different units like mole fraction, mass percent,…

Q: If the concentration of glucose in the blood is 90 mg/100 mL, what is the weight/volume percent…

A: Weight/volume percent concentration of glucose? Weight/volume percent concentration is expressed…