Which will have the highest number of moles of sodium ion:  25.0 mL of 0.20 M NaCl, 20.0 mL of 0.15 M Na2CrO4, or 20.0 mL of 0.080 M Na3PO4?

Q: What volume (in L) of 3.50 mol/L sulphuric acid solution is needed to make 100.0 mL of 0.450 mol/L…

A: Given, For Concentrated sulfuric acid solution: Concentration of sulphuric acid solution (M1) = 3.50…

Q: grams of CaCl2

A:

Q: Determine the volume (in mL) of a 15.8 M HC2H3O2 stock solution must be used to prepare 775.0 mL of…

A: Dilution :-  When a concentrated stock solution of molarity M1 and volume V1 is diluted by adding…

Q: 2. What mass of NaCl is needed to prepare 30.0% by mass of 500g solution of NaCl? Solution: 30.0% by…

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Q: The molarity of 25.0% by mass HCI solution is ? The density of HCI solution is 1.20 g/mL.

A: Molarity is defined as number of moles of solute present in one liter of solutions

Q: stock solution of Mg(NO3)2 is available to prepare solutions that are more dilute. Calculate the…

A:

Q: a. For a solution of 0.206 mol of potassium dichromate in 0.500 L. What is the molarity and mass of…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Calculate the mass of sodium chloride (NaCl: 58.44 grams/mole) needed to prepare 500.0 mL of a 0.12…

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Q: How many grams of solute are present in 1.25 L of a 0.75M NaNO3 solution? Click here for the…

A: Molarity is a concentration term that is defined as a number of moles solute present in the liter…

Q: A 0.760 m aqueous solution of KBr has a total mass of 90.0 g. What masses of solute and solvent are…

A: Given,Molality =0.760 mTotal mass = 90g= 0.09 kgAmount of KBr

Q: water should be added

A:

Q: A solution is created by dissolving 10.0 grams of ammonium chloride in enough water to make 205 mL…

A: Number of moles of a compound is related to its mass by the following relation: Number of moles of…

Q: What mass of sodium hydroxide (NAOH, molar mass = 40.0 g-mol-2) is needed to make 100.0 mL of a…

A: Number of moles of any substance is given by the formula-Molarity x Volume(in liters) Now we proceed…

Q: The concentration of urea in a solution prepared by dissolving 16 g of urea in 30 g of H20 is % by…

A: Percent ratio of  mass of solute and mass of solution is known as mass percent concentration.

Q: 2.0 L of a 1.5 M solution is diluted with water until the final volume is 6.0 L. The molarity of the…

A: Given,  When 2.0 L of a 1.5 M solution is diluted with water until the final volume is 6.0 L. The…

Q: What mass of sodium hydroxide (NaOH, molar mass = 40.0 g/mol) is needed to make 100.0 mL of a 0.125…

A: Molarity is difine ast the ratio of  moles of solute and volume of solvent in litter.

Q: In order to prepare 50.0 mL of 0.100 M HC2H3O2 you will add ____ mL of 1.00 M HC2H3O2 to ____ mL of…

A: The volume of acetic acid is calculated as,

Q: Calculate the molarity of the two solutions. The first solution contains 0.400 mol of NaOH in 1.50 L…

A:

Q: How many grams of NaCl (MW= 58.44 g/mole) are needed to prepare 250 mL of a 0.10 M NaCl solution?

A: Molar concentration or molarity is defined as the number of moles of solute per volume of the…

Q: A solution that is 7.56% by mass NaNO3 (molar mass=85.0 g/mole) in water (molar mass=18.0 g/mole)…

A: Given : Let us assume the given mass percentage as the mass of NaNO3. The mass of sodium nitrate is…

Q: 10. A solution is made by dissolving 17.8 g of magnesium sulfite, MgSO3, in enough water to make…

A: Mass of MgSO3 = 17.8 g  Volume of solution = 100 ml  Concentration (Molarity) of the solution (in…

Q: A medical saline solution is prepared by mixing 925 mg sodium chloride (58.44 g/mol) with water to…

A: Molar concentration or molarity is defined as the number of moles of solute dissolved per volume of…

Q: What mass of MgF2 is contained in 80.85 g of a 22.4% by mass solution of MgF2 in water?

A:

Q: 1)How many molecules of HCl are in 175 L of a 3.50 M solution? 2) What is the molarity of a…

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Q: what volume of solution in liter is required to make a 0.3 M solution by dissolving 47.1 grams of…

A:

Q: A solution is made by dissolving 17.8 g of magnesium sulfite, MgSO3, in enough water to make exactly…

A: Molarity is defined as number moles of solute in 1 litre of solution.

Q: A solution is made by dissolving 17.8 g of magnesium sulfite, MgS03, in enough water to make exactly…

A: Molarity can be defined as the ratio of number of moles of solute to volume of solution in liter(L).…

Q: Club soda contains 2.50g CO2 for every 1.00 L of solution and has a density 1.03 g/mL. Calculate the…

A: Molarity can de be defined as the number of moles of solutes present in the 1-liter volume of the…

Q: For an aqueous solution of sucrose (C12H22O11), determine: the molarity of 3.40 L of a solution that…

A: To calculate molarity, the mass of sucrose is calculated and then the molarity is calculated.

Q: For a solution of cobalt (II) nitrate 3.00 M in 0.500 L. What is the number of moles and mass of the…

A:

Q: Consider a solution prepared by adding 25.0 g NaCl to 125.0 g of water. a. What is the percent by…

A: Percent by mass is given by, Mass percentage = Mass of the soluteMass of the solution×100

Q: A solution contains 217 millimoles of sodium perchlorate in 100. mL of solution. (1) What is the…

A: (1)Convert the millimoles to moles and mL to liter.

Q: 35. To what volume should 675 g of AgNOs be diluted in order to prepare a 0.25 M solution? 36. What…

A: The amount of solute in a given volume of solution is measured in molarity (M). The moles of a…

Q: Which solution has the same number of moles of HCI as 25.0 mL of 0.200 M solution of HCl? 12.5 mL of…

A: Given :-  Molarity of HCl solution = 0.200 M  Volume of HCl solution = 25.0 mL  To identify :-  A…

Q: What volume in L of a 0.200 M K2SO4 solution contains 94.6 g of K2SO4?

A: Given :- mass of K2SO4 = 94.6 g  molarity of solution = 0.200 M or 0.200  mol/L  To calculate :-…

Q: How do you calculate the concentration of a solution in units of molarity? a Divide the number of…

A: We have to choose the correct option. Units of molarity?

Q: What mass of sodium hydroxide (NaOH, molar mass = 40.0 g∙mol–1) is needed to make 100.0 mL of a…

A:

Q: Calculate the number of moles of NaCl contained in 200.0 mL of 0.575 M NaCl.

A: We know that, Volume*Molarity = number of mmol = number of moles*10-3

Q: Concentration of Na2S2O3 (mole Na2S Mass of Na2S2O3 (g) Mass of solution (g) Concentration of 4.06 g…

A:

Q: H are needed to prepare 0.200L of a 7.80 (mass/volume

A: Concentration can be expressed in terms of mass/volume %.7.80 mass/volume means 7.80 gram of LiOH is…

Q: Calculate the molarity of the two solutions. The first solution contains 0.550 mol of NaOH in 2.60 L…

A: Molarity (M) :-  The number of moles of solute present in dissolved state in one litre of solution…

Q: calculate the volume of your stock solution that would be required to make 50.0 mL of a 0.0200 M…

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Q: A solution is made by dissolving 17.8 g of magnesium sulfite, MgSO3, in enough water to make exactly…

A:

Q: A solution of hydrogen peroxide is 30.0% H2O2 by mass and has a density of 1.11 g/mL. What is the…

A: Given: ℅w/w of H2O2 = 30℅ Density = 1.11 g/mL Standard data: The molar mass of H2O2 = 34.0147…

Q: The most highly concentrated hydrochloric acid is 12 M. What volume of a 12 M stock solution of HCI…

A: For the preparation of volume or concentration of any specific stock solution, the expression of…

Q: What mass of solution containing 2.00% sodium sulfate, by mass contains 1.50 g sodium sulfate?

A:

Q: The first solution contains 0.650 mol of NaOH in 1.70 L of solution. molarity: M The second solution…

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Q: Consider a O.855 M solution of LICI (molar mass = 42.39 g/mol). How many moles of LICI are in 62.1…

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Q: Calculate the molarity of the two solutions. The first solution contains 0.150 mol of NaOH in 2.15 L…

A: Given that :  For first solution , moles of NaOH = 0.150mol Volume of solution = 2.15L  Using the…