The density of 85% of H3PO4 by mass is 1.70 g/mL. How to prepare 2.5 L and 0.5 M diluted H3PO4 solution from this solution? (MH3PO4)= 98 g/mol

Q: How many grams of Potassium Chlorate must be used to prepare 500 mL of a 0.2M solution? o 61.25 g o…

A: Given, Concentration of potassium chlorate solution = 0.2 M = 0.2 mol/L Volume of the solution = 500…

Q: What is the molarity of a 7.00% by mass ammonium chloride (NH4CI) aqueous solution at 20 °C? Density…

A: Solution                              Given that 7.00% by mass ammonium chloride Density of the…

Q: How many grams of NiCl2 * 6H2O will be used to prepare a 0.0350 M, 500.0 mL of NiCl2 solution?

A: Molarity: Molarity indicates the concentration of solution which is defined as number of moles…

Q: A Na2SO4 solution is prepared that is 1000.0 ppm (parts per million) sodium ion. a) What is the…

A: a) 1 ppm is equivalent to 1 mg/L Thus 1000 ppm is equivalent to 1000 mg/L. Determination of…

Q: le of commercial perchloric acid is 70.0% HCIO4 by mass, its density is 1.664 g/mL. How many ated…

A: Calculate the mass of perchloric acid in the given solution,

Q: (a) A solution is made by dissolving 13.5 g of glucose (C6H12O6) in 0.100 kg of water. What is the…

A: a) Since mass percentage is defined as the percentage of solute in the solution  i.e % m/m = mass of…

Q: Describe how to prepare each solution from the dry solute and the solvent. a. 125 ml of 0.100 M…

A: (a) In the given question: Volume = 125 ml Molarity = 0.100 M Molar mass of NaNO3 = 85 g/mol…

Q: What is the molarity of the solution prepared by diluting 10.0 mL of 0.472 M  Mg(NO3)2 solution to…

A: The molarity for a dilute solution is calculated as follows

Q: 4. Give the molarity of a solution containing 10 g of each solute in 2.5 L of solution: a)H,SO,…

A:

Q: If 768 g of water is added to 38 g of a 4.9-m NaCl solution, what is the mass percent of NaCl in the…

A: Molality of NaCl solution = 4.9 m Mass of the solution = 38 grams Mass of water added = 768 grams…

Q: The density of the H3PO4 stock solution (85% by weight) is 1.70 g/mL. How to prepare 2.5 L and 0.5 M…

A: The question is based on the concept of solutions. we have to make the given phosphoric acid…

Q: Calculate the molarity of the following aqueous solutions: (a) 0.540 g of Mg(NO3)2 in 250.0 mL of…

A: It is required to calculate the molarity of 0.540 g of Mg(NO3)2 in 250.0 mL of solution, which can…

Q: Calculate the molarity of 81.5 g of HCl in 3.00 L of an HCl solution.

A: molarity = (no.of moles of solute ÷ volume of solution in liter)

Q: 1. a) What volume of 8.40 N Al(OH)3 will be used to prepare 350.0 mL of 2.10 M solution? b) How many…

A: Solution -

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: What mass (g) of CuSO4 x 5 H2O is needed to prepare 100.0mL of a 0.0833 M CuSO4 x 5 H2O solution?

A: Since the moles = concentration X volume of solution in L  And concentration given = 0.0833 M  And…

Q: How many grams of sodium nitrate (MM= 85.99 g/mol) would you add to 500.0 g water to produce a 1.2 m…

A: Given data,  Molar mass of sodium nitrate = 85.99 g/mol  Mass of water solvent = 500 g = (500/1000)…

Q: An aqueous solution that contains 285 ppm of potassium nitrate (KNO3) is being used to feed plants…

A: The solution is as follows :

Q: What is the concentration in molarity of an aqueous solution which contains 17.51% by mass ethanol…

A:

Q: How many mL of 30% H2O2 solution should be used to prepare a 6% 25 ml H2O2 solution? (d: 1.12g / mL,…

A: Given data,C1=30%C2=6%V2=25mL

Q: Calculate the mass percent by volume of 43.1g of glucose (CH12O6, MM = 180.2 g/mol) in 325 mL of…

A: Given : mass of glucose = 43.1 g And volume of solution = 325 mL

Q: To what volume should you dilute 125mL of an 8.05 M CuCl2 solution so that 49.5 mL of the diluted…

A: The process that helps in lessening any solution's concentration is referred as "dilution". In this…

Q: Calculate the mass percent by volume of 80.6 g of glucose (C₆H₁₂O₆, MM = 180.2 g/mol) in 325 mL of…

A: Given , molecule is glucose C6H12O6 Mass of glucose = 80.6 g Volume of solution = 325 mL

Q: If 27.2 g of (NH4)3PO4 is dissolved in 658.0 ml of water, what is the percent mass of  (NH4)3PO4  in…

A:

Q: Describe how we would make the following solutions: (a) 500.0 mL of a 5.32% w/w H2S solution in…

A:

Q: To prepare a 7.5% 25 mL NiCl2.6H2O solution, how many grams of nickel (II) chloride salt should be…

A: The mass of solute (in gram) present in 100mL of the solution is known as the m/v percent…

Q: What is the mass percent of a solution containing 4.55g of NaCl in 500g of solution? Tmass of solute…

A: Given : Mass of NaCl = 4.55 g Mass of solution = 500g

Q: What weight of CaCl2 is needed to prepare 100mL of a 0.20 M solution? i. 20.0g ii. 0.02g iii. 2.20g…

A:

Q: How would you prepare the following aqueous solutions?(a) 1.40 L of 0.288 MKBr from solid KBr(b) 255…

A: a) To calculate the amount/weight of solid KBr that is required to make a solution of 0.288 M in 1.4…

Q: what mass of NaBr is needed to prepare 1.12L of a 0.15 M aqueous solution of NaBr?

A:

Q: The volume of a 6.0M stock solution do you need to dilute to prepare 350 ml of a 1.5 M solution?

A: Given :-  Initial concentration (M1) = 6.0 M  Final concentration (M2) = 1.5 M  Final volume (V2) =…

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

A: In this question use percent by mass to calculate the grams of solute needed to make a particular…

Q: A 9.50% by mass solution of acetone (C3H6O) in water has a density of 0.9849 g/mL at 20°C. What che…

A: The given data: The mass % of solution = 9.5 % The density of solution = 0.9849 g/ml To determine =…

Q: Calculate the mass of KOH in 250.0 mL of a 6.50 % (w/w) KOH solution. Density of the solution is…

A: 250.0 mL of KOH solution has a density of 1.12 g/mL and the % w/w is 6.50 % .We have to calculate…

Q: a. What is the molarity of an aqueous solution made by dissolving 6.00 g of K2SO4 to create a 0.500…

A:

Q: What mass (g) of CaCl2 are needed to make 1L of a 3M CaCl2 solution? 332.94g 9g 100.52g 87.5g

A: molarity is defined as no of moles of solute devided by volume of solution in liter.

Q: The mass Percent of a solution prepared by the solving 36.4g of NaCl in 63.6g of water is? A. 1.0%…

A:

Q: If 595 g of water is added to 98 g of a 5.9-m NaCl solution, what is the mass percent of NaCl in the…

A:

Q: How many mL of K2SO3 solution are needed to get 3.13 g from a 0.359 M K2SO3 solution?   What is the…

A:

Q: Describe how you would prepare each of the followingaqueous solutions: (a) 1.50 L of 0.110 M…

A:

Q: What is the concentration in molarity of an aqueous solution which contains 33.61% by mass ethanol…

A: Molarity of any solution is the ratio of moles of solute to the volume of solution in litres.

Q: How many grams of glucose, 2 points C6H1206, are needed to make 5.00 L of 5.0O M solution? H=1.007…

A: Grams of glucose needed to make 5L of 5M solution is as follows

Q: What mass of water is necessary to prepare the following solution? 180.0 g of a 2.500 % sugar…

A:

Q: (1) How many grams of K2SO4 are contained in 50 mL of 0.200 M? (2) How many millimoles of K2SO4 are…

A: When one mole of any compound is dissolved in 1000 ml of solution is called the 1molar solution .

Q: What is the molarity of a 11.58% by mass sucrose (C12H22O11) solution? Assume the density of the…

A: The molar concentration (also known as molarity, concentration of quantity or concentration of…

Q: How much (mL) 2.00 M o f H2SO4 solution is needed to prepare 500. mL of 0.500 M H2SO4 solution,

A:

Q: Calculate the molarity of a solution made by dissolving 15.5 g of NaCl i

A: moles of solute present in 1 L solution is called as molarity (M )  i.e  M = n / V(in L)   Units :…

Q: What is the percent by mass of 50 grams of NaCl dissolved in 50 grams of water ? O1% O2 % O 100 %…

A: % Particular element or molecule = (particular element weight/Total elements weight)* 100

Q: What volume of 4.61 M NaCl solution is needed to prepare 555 mL of a 1.23M diluted NaCl solution? O…

A: Given: Concentration of stock NaCl solution = 4.61 M Concentration of final NaCl solution = 1.23 M…