How many moles of K+ are present in 343 mL of a 1.27 M solution of K3PO4?

Q: What is the mass percent of Na2SO4 in a solution made by dissolving 40.6 g Na2SO4 in 913.9 g H2O?

A:

Q: 294.2 g/mol] How much gram of potassium dichromate [K2Cr20, molar mass = required to make 465 mL of…

A:

Q: How many grams of Cu(C2H3O2)2 (Molar mass ‎199.65 g/mol) are needed to make 25.0 mL of a solution…

A: Definition:Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: Calculate the volume of 4.00 M K2SO4 that is needed to prepare 600 ml of a 0.2M solution of K2SO4

A: Given :-  initial concentration of K2SO4 solution = 4.00 M final concentration of K2SO4 solution =…

Q: What mass of NaOH is required to prepare 250.0 g of solution that is 8.00% w/w NaOH?

A: Given data is as follows: The mass of the solution = 250.0 g The mass percent (w/w) of the solution…

Q: If you have a 4.19 M solution of magnesium bromide (MgBr2), how many moles of solute are in 1.00 L…

A: Given the concentration of magnesium bromide solution =4.19 M volume of the solution =1.00 L we are…

Q: What is the molarity of a solution that contains 2.38g of H2C2O4 x 2H2O in 200ml of solution?

A:

Q: How many grams of H3PO4 are in 145 mL of a 3.50 M solution of H3PO4?

A: Given, Concentration of H3PO4 solution = 3.50 M = 3.50 mol/L Volume of the solution = 145 mL = 0.145…

Q: What is the molarity of a solution containing 8.6 g of NaBr in 0.85 moles of water? (density of…

A: Given, Mass of NaBr = 8.6 g Moles of water (H2O) = 0.85 moles Density of solution = 1.10 g/mL…

Q: What is the mass percentage of a 3.00 m aqueous C3H¿O solution?

A: 3.00 m aqueous C3H6O solution = 3moles C3H6O in 1 kg water  mass of C3H6O = 3 mol X Molar mass of…

Q: Calculate the number of grams of solutethat has to be used to make the following solution: 131.4 mL…

A: Given :- molarity of H2SO4 solution = 0.694 M volume of solution = 131.4 mL  To be calculated :-…

Q: What is the molarity of a solution made by dissolving 1.00 mole of FeCl3 in 250.0 mL of water?

A: The answer is given below,

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

A: Molarity ( M ) is defined as " the number of moles of solute ( n ) present in one litre of solution.…

Q: What volume of barium chloride, BaCl2 is needed to make a 2.5 M barium chloride solution with 0.25…

A:

Q: Which of the folowing statement is false when a solution is prepared by adding 10.4 g of potassium…

A: In this question, we have to choose the statement which is given false.

Q: How many moles of calcium carbonate are there in a 3.1 L of a 0.527 M solution?

A: Molarity = moles of solute/Volume of solution(L)

Q: How many grams of al2so4.18h2o should be weighed for a 25 mL solution to contain 7% Al(III)?

A: The question is based on concepts of solution. we have to estimate how much the salt need to be…

Q: What volume of a 0.165 M solution of FeCl3 contains 1.25x10-3 molea of Fe3+?

A: Molarity is given by,

Q: What is the percent by mass of HCLO4 in the solution

A:

Q: 7. How many Liters of 18.0M H2SO4 are required to prepare 1.0 L of a 0.900 M solution ?

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

Q: How many moles of CoCl3 are in 172.6 ml of a 19.6 mass % solution of CoCl3 which has a density of…

A: We have volume of solution as 172.6 mL, having density of 1.206 g/mL . We have 19.6% mass percentage…

Q: A solution of H2SO4(aq) (98.07 g/mol) with a molal concentration of 4.60 m has a density of 1.25…

A:

Q: 1 How many moles of solute are present in 35.0 M KNO3? 1.2 What is the concentration in percent by…

A: Since you have posted a question with multiple subparts, we will solve the first three subparts for…

Q: How many moles of solute particles are present in 1 L (exact) of aqueous 0.025 M HNO3?

A:

Q: What mass of NaOH is in 2.0e+02 mL of a 5.6 M NaOH solution?

A: Given data molarity of NaOH solution = 5.6 M = 5.6 mole/L volume of solution = 2.0x102  mL = 200 mL…

Q: the density of a 3.539 M HNO3 aqueous solution is 1.150 g x mL-1 at 20 Degrees C. What is the molar…

A: Given Molarity = 3.539 M Density = 1.15 g/ml

Q: How many moles of K3PO4 are present in 343 mL of a 1.27 M of solution?

A: Moles of solute calculation using Molarity and Volume :

Q: What is the concentration in molarity of an aqueous solution which contains 1.15% by mass acetone…

A: 1.15 % by mass , 100 g solution contains 1.15 g actone Moles of Acetone =1.15/58.08       = 0.0198…

Q: How many moles of Na+ are in 125 mL of 0.98 M Na2SO4 solution?

A: The question is based on mole concept. We have to calculate number of moles of sodium Ion present in…

Q: What is the concentration (M) of sodium ions in 4.57 L of a 0.847 M Na3P solution?

A:

Q: What is the total volume of solution, in mL, needed to dissolve 13.73 g of K3PO4 at a concentration…

A: Molarity (M) is defined as the number of moles of solute per volume of the solution in liters. i.e.…

Q: A soft drink contains 50mg of sodium in 301g of H2O. What is the concentration of sodium in the soft…

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

Q: How many moles of K2SO3 are present in 237 mL of 1.21 M solution?

A: Given that : Volume of solution = 237 mL = 0.237 L Molarity = 1.21 M

Q: What is the molarity of a solution made by dissolving 3.75x10^24 molecules of H3PO4 in 2.72L of…

A: Given, Number of molecules of H3PO4 = 3.75 x 1024 molecules Volume of the solution = 2.72 L Molarity…

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

A:

Q: How many grams of Zn(NO3)2 are in 4.0 L of a 0.55 M solution

A:

Q: what quantity of moles of glucose (C₆H₁₂O₆) in 0.500 L of a 0.400 M solution?

A:

Q: What is the molarity of a 7.4 % by mass Mg(NO3)2 solution? Assume the density of the solution is 1.0…

A:

Q: How many moles of Na+ are present in 343 mL of a 1.27 M solution of Na2SO4?

A: Moles = molarity × volume (L) Number of moles of Na2SO4 = 1.27 M × 0.343 L = 0.43561 mole

Q: How many moles of K3PO4 are present in 343 mL of a 1.27 M of solution?

A: We know ; # Molarity = mole of substance/volume of solution in L By using this realtion we can…

Q: What is the mass percent of an aqueous sodium hydroxide solution in which the molarity of NaOH is…

A: Given molarity of NaOH = 9.98 g/mol density of solution = 1.33 g/ml

Q: 2. How many grams of solute are present in 1.65 L of 0.286 M solution of C3H¬NO2?

A: To calculate the grams of solute first of all e calculate the moles of solute.  The molarity of the…

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: 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: What is the total number of moles of Ca(NO3)2 needed  to make 7.3 liters of a 5.1 M Ca(NO3)2…

A:

Q: How many moles of potassium bicarbonate, KHCO3, are present in 75.0 mL of a 0.750 M potassium…

A: molarity is calculated by number of moles of solute dissolved in one liter of solution.…

Q: •Calculate the mass, in grams, of nickel (II) chloride needed to make the 0.100 L of a 5.00 M NICI2…

A: The volume of the solution is 0.100 L.The molarity of the solution is 5.00 M.To find the mass of…