(a) Which will have the highest concentration of potassiumion: 0.20 M KCl, 0.15 M K2CrO4, or 0.080 M K3PO4?(b) Which will contain the greater number of moles of potassiumion: 30.0 mL of 0.15 M K2CrO4 or 25.0 mL of 0.080 M K3PO4?

Q: 7. If all the water in 430.0 mL of a 0.45 M NaCI solution evaporates, what mass of NaCI will remain?

A: 7)  Given, Molarity of the NaCl solution = 0.45 M = 0.45 mol/L Volume of the solution = 430.0 mL =…

Q: How many grams (g) of CaSO4 is formed when 20 mL of 0.10 M Na2SO4 is added to 100 mL of 0.01 M…

A: We have to find How many grams (g) of CaSO4 is formed when 20 mL of 0.10 M Na2SO4 is added to 100 mL…

Q: 3. There is a weak organic acid called phenol (C6H6O, molar mass = 94.11) which was once used as an…

A:

Q: How many mL of 0.103 M NaOH are needed to completely react with 0.425 g of citric acid, C6H8O7?

A: Volume of NaOH = ? Concentration of NaOH=0.1 03 M  Weight of citric acid =0.425g

Q: What is the molarity of a solution that is 26.0% by mass phosphoric acid (H3PO4) and that has a…

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Q: If a solute has a solubility of 1.84 g/100 mL, what is its solubity at 50 mL solvent?

A:

Q: What volume, in milliliters, of 4.0 M NaOH is needed to prepare 145 mL of 0.15 M NaOH by dilution?

A: Given, The volume, in milliliters, of 4.0 M NaOH is needed to prepare 145 mL of 0.15 M NaOH by…

Q: How many moles of potassium bromide should be added to water to prepare 1.81 L of solution with a…

A: Given data : Volume of solution to be prepared = 1.81 L Molarity of solution = 0.536 M We have to…

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: Calculate the molarity (M) of 42.6 g of 6H12O6 ; m = 180 g/mole) glucose (OC in 350. mL of solution.…

A: Given information, Mass of glucose = 42.6 g Molar mass of glucose = 180 g/mol Volume of solution =…

Q: How many grams (g) of CaSO4 is formed when 10 mL of 0.010 M Na2SO4 is added to 900 mL of 0.001 M…

A: Given, Chemical reaction between 10 mL of 0.010 M Na2SO4 and 900 mL of 0.001 M CaCl2. How many grams…

Q: What is the mass (in g) of the solute in 0.350 L of 0.40 M glucose, C6H12O6?

A:

Q: What mass of oxalic acid H2C2O4 is required to prepare 350. mL of a solution that has a…

A:

Q: How many mL of 6.86 M NaOH are needed to prepare 328 mL of 0.172 M NaOH?

A:

Q: What is the percent by volume (% v/v) of ethanol in a solution prepared by adding enough water to…

A: % v/v is defined as the % volume of solute present in the solution  i.e % v/v = volume of solute X…

Q: phenol (C6H60, molar mass = 94. which was once used as an antiseptic, and is still used in some sore…

A: Dear student as per guidelines only the first question in ur image allowed answer    3.  Molarity…

Q: How many grams of KNO3 are there in 198 grams of an aqueous solution that is 11.2 % by weight KNO3?

A: Mass percentage of solute = mass of solute ( KNO3) ×100mass of solution  11.2 = mass of solute(…

Q: Assuming that the volumes are additive, what volume of water must be added to 35mL of 15%  KOH to…

A: Initial volume =35ml Initial strength Percentage =15% Final strength percentage =10%

Q: How many grams of nickel(II) nitrate, Ni(NO3)2 , must be dissolved to prepare 200. mL of a 0.233 M…

A: Given data,Molarity of Ni(NO3)2=0.233MVolume of solution=200mLIt is known…

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

A:

Q: Calculate the molarity of caffeine in a 12 oz cola drink containing 31.1 mg of caffeine, C3H10N402.…

A: Given : Volume of the solution = 12 oz Weight of caffeine = 31.1 mg

Q: What mass of oxalic acid, H2 C204, is required to prepare 350. mL of a solution that has a…

A: The molarity of the oxalic acid (H2C2O4) solution is = 0.20 M The volume of the solution is = 350.…

Q: Calculate the mass of NaOH pallets in grams needed to prepare 50 mL of 0.25 M NaOH solution. The…

A:

Q: What is the molarity of a solution that has 5.024 X 1023 atoms of Glucose (C6H12O6)?

A: Assuming there is one litre of solutionGiven5.024x 1023 atoms of glucose are present

Q: Household laundry bleach is a dilute solution of potassium nitrate (KNO3) mixed with water. How many…

A:

Q: You are standardizing a NaOH solution and find that it requires 21.71mL of NaOH to neutralize 1.589g…

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Q: Calculate the molarity of a solution containing 635 mg of Calcium nitrate dissolved in 5.50 mL of…

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Q: 1a. How many moles of M9SO, are contained in 50. mL of a 3.0 M solution? 1b. How many grams of CaCl,…

A: Formula of molarity is:-  Molarity = moles ÷ volume(L)

Q: 25 mL of 1.00 M NaOH is diluted to 500 mL, how may moles of NaOH are there in the resulting…

A: Given is , N1= 1.00 M V1= 25 mL V2=500mL N2= ?

Q: There is about 1.0 g of calcium, as Ca2+, in 1.0 L of milk. What is the molarity of Ca2+ in milk?

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

Q: "hat is the molarity of a barium chloride solution prepared by dissolving 2.50 g of BaCl2-2H2O in…

A: Introduction :  Molarity (M) is defined as the number of moles of solute dissolved in one litre of a…

Q: 8. How many grams and moles of solute are there in 250. mL of a 0.1OM CaCl, solution?

A: In the given question we have to calculate the grams and moles of solute in the Solution. Given data…

Q: How many grams of AgNO 3 (molar mass = 169.87 g/mol) are needed to prepare 0.125M solution in 250 mL…

A: Given - Molarity = 0.125 M Molar mass = 169.87 gm.mole-1 Volume = 250 ml = 0.250 L (1L = 1000ml)

Q: How many moles of solute particles are present in 1 mL (exact) of aqueous 0.670 M CuSO4?

A: Given that, molarity of  CuSO4 solution =  0.670 mol/L Volume of solution = 1 mL = 1 x 10-3 L (Note…

Q: What volume in L of a 0.200 M K2SO4 solution contains 95.6 g of K2SO4?

A: Molarity is the amount of substance contained in one liter of a solution. Molarity is the measure of…

Q: What is the mass in grams of Na2CO3(s) (molar mass = 105.98 g/mol) that, when dissolved in 1.393E2…

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Q: What mass, in g, of (NH4)2SO4 is needed to prepare 7.0x10' mL of a 0.250 M solution?

A: Molarity is the units of concentration. It can be calculated by dividing the number of moles of the…

Q: 6. How many mL of H,0 must be added to 100 mL of a 12.0 M HNO, solution to give a final molarity of…

A: 6. Given : initial molarity of HNO3 = M1 =  12.0 M  Volume of initial solution of HNO3 = V1 = 100 mL…

Q: How many milligrams of sodium sulphide are needed to completely react with 25.0 mL of a 0.0100 M…

A: Balanced chemical reaction between sodium sulphide and cadmium nitrate is given by,

Q: a.* How many grams of CUSO, 5H,O are needed to prepare 50.0 mL of a 0.30 M CuSO, solution? 2. b.* If…

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Q: 1. What is the molar concentration when 32.3 g of MgSO4 are dissolve in enough water to make a…

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Q: What volume of a solution of ethylene glycol, C2H6O2, that is 55.4% ethylene glycol by mass contains…

A:

Q: What mass of oxalic acid, H2 C2O4, is required to prepare 500. mL of a solution that has a…

A: The given data contains, Volume = 500 ml . = 0.5 L. Concentration = 0.15 M.

Q: What mass (in grams) of solid NaOH (molar mass = 40.0) is needed to prepare 600. mL of a 0.10 M…

A:

Q: If 3.7 g of CuSO4 is dissolved in 5.0 x 101 g of H2O, what is the mass percent of CuSO4 in the…

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Q: What volume of a solution of ethylene glycol, C2H6O2, that is 55.9% ethylene glycol by mass contains…

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Q: What mass of calcium chloride dihydrate, CaCl2•2H2O is required to prepare 100.0 mL of a 0.212 M…

A: To calculate the mass of calcium chloride dihydrate first we have to calculate the number of mole of…

Q: What mass of glucose (molar mass = 180 g/mol) is needed to prepare 500 ml of 2.80 M glucose…

A: Given : concentration of glucose = 2.80 M And volume of solution to be made = 500 mL = 0.5 L…

Q: Ethylene glycol is the primary component in antifreeze. How many grams of ethylene glycol…

A:

Q: How many grams of ammonium sulfide, (NH4)2S, must be dissolved to prepare 100. mL of a 0.182 M…

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