mol M = L %3D A solution is made from 0.315 mol of Na Cr207. If the volume of the solution is 25mL, what is the molarity of the solution? O 0.0126 M O 12.6 M O 0.0794 M O 79.4 M

Q: A 1.00 L sample of NaOH solution is diluted to give a total final volume of 2.50 L. If the initial…

A: Initial volume (V1)) = 1.0 L Initial molarity (M1) = 3.20 M Final volume (V2) = 2.50 L Final…

Q: Calculate the mass of solute (in grams) needed to prepare the following solution. 1280 mL of 1.25 M…

A: Consider the given information is as follows; Volume of Pb3PO44 = 1280 mL = 1.28 L Molarity of the…

Q: A solution is made by dissolving 0.835 grams of KMnO4 in 500.00 grams of water. The solution formed…

A: Given,Mass of KMnO4 =0.835 gramsMass of water = 500 grams The density of water = 1.05 g/mLMolar Mass…

Q: at mass a

A:

Q: What is the molarity of cesium cations if 89.1 grams of cesium phosphate is dissolved in enough…

A: Answer: option a.) 0.656 M if the molarity of caesium cations.

Q: What is the molarity of a solution that contains 0.40 mol HCI in a 9.79L solution? O 5.67 M O 0.0133…

A: Solution contains 0.40 moles of HCl. Volume of solution = 9.79 L

Q: What is the mass percent of the solution when 6.616 g of Na 2SO 4 is dissolved in water to make…

A:

Q: What is the molarity of a solution containing 22.123 g of CaCO3 (Molar mass = 100 g/mole) in 750 mL?…

A: Given: Mass of CaCO3 is 22.123 g. The molar mass=100 g/mol Volume=750 mL

Q: Determine the concentration of the stock solution in molarity from which 50.0 mL was taken in order…

A:

Q: How many grams of AgNO3 are present in 60.0 mL of a 2.50 M AgNO3 solution? Molar mass of AgNO3 =…

A:

Q: A solution is 0.0460 m NaBr. What is the molarity of the solution if the density is 1.10 g/mL?…

A: Given data,  Molality of NaBr solution = 0.0460 m  Density of NaBr solution = 1.10 g/mL

Q: 20 An aqueous potassium iodate (KIO3) solution is made by dissolving 538 g of KIO3 in sufficient…

A: mass of KIO3 = 538 gvolume of the solution = 4.20 Lmolarity of the KIO3 solution = ?Note: molar mass…

Q: 30. The molarity of a solution containing 2.5 mol of acetic acid, HC2H3O2, in 400. mL of solution is…

A:

Q: 12.0 g NaHSO4 (MM:120.1 g/mol) is dissolved in water to make a 2.00 L solution. What is the molarity…

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

Q: What volume of 0.252 M potassium hydroxide solution is required to completely neutralize 0.0106…

A: Chemical ReactionH3PO4 +3 KOH →K3PO4  + 3H2OMolarity of KOH = 0.252 MMoles of Phosphoric Acid =…

Q: An 8.00 mL sample of a stock solution of sodium acetate is diluted with enough water to form 100.0…

A: In this question, we want to determine the Concentration of original stock solution.  How we can…

Q: What is the molarity of a solution prepared by taking 6.864 g of potassium permanganate (KMNO 4) and…

A:

Q: What mass of potassium nitrate is in 2.50 L of a 1.26 M solution? The molar mass of potassium…

A: Hence 4th option is correct that is 318 gram

Q: 5.32 x 1023 molecules of sucrose (table sugar) is dissolved in water to create a 1.78L solution.…

A:

Q: What mass (in grams) of Mg(NO3)2 is present in 145 mL of a 0.150 M solution of Mg(NO3)2? a) 3.23 g…

A: Since moles of Mg(NO3)2  Present = molarity of solution X Volume of solution in L Molarity of…

Q: An aqueous solution of ethylene glycol, C₂H6O2, is prepared by dissolving 18.42 g of C₂H6O2 (solute)…

A:

Q: Commercially available concentrated sulfuric acid is 18.0 M H2SO4. Calculate the volume (in mL) of…

A: Dilution is a process via which the concentration of a solution is decreased by adding extra…

Q: What are the molarities of the following solutes when dissolved in water? a. 7.69 mmol C2H5OH in…

A:

Q: If 0.500 mole of a solute is dissolved in enough water to make 800.0 mL of solution, what is the…

A:

Q: What is the mass in grams of solute in a. 32.0 ml of 0.150 M C6H12O11 b. 3.92 L of 6.23 x 10 -3 M…

A: Given, (a). Molarity of C6H12O6 = 0.150 M  Volume in mL = 32.0 mL  What is the mass in grams of…

Q: 1.55 x 1022

A: Molarity of NaCl (M) = 0.5 M Volume of NaCl = 50 mL =0.050 L Moles of NaCl = M × V(L)   = 0.50 ×…

Q: How many grams of NH3 are present in 1.70 L of 1.50 M NH3 solution? Molar mass of NH3 = 17.03 g/mol…

A:

Q: What mass (in grams) of Mg(NO3)2 is present in 145 mL of a 0.150 M solution of Mg(NO3)2?a) 3.23 g…

A: One mole of a substance is something that has 6.022 × 1023 particles of that substance. This special…

Q: A solution is prepared by dissolving 52.3 g of RÜC1 in enough water to form 502 mL of solution.…

A: Consider the given information is as follows; Mass of RbCl = 52.3 g Volume of solution = 502 mL…

Q: 75.0 mL of a 0.435 M solution of HNO₃ is diluted to 1200.0 mL. What is the new concentration of the…

A: When a more concentrated (known) solution is diluted with water of known volume, it is possible to…

Q: What is the molarity of a solution that is 48.4% by mass phosphoric acid (H3PO4) and that has a…

A: Given, 48.4% by mass phosphoric acid Density =1.155 g/mL Molecular weight of phosphoric acid = 97.99…

Q: 249.45 g of mercurous sulfate is dissolved in enough water to form an unknown concentration of…

A: Initial solution is diluted to 1.19 M  i.e. Molarity of final solution = 1.19 M  Mass of mercurous…

Q: 2 J 258.0 g What is the mass (in grams) of NaCl required to make 660 mL of a 0.8 M NaCl solution?…

A: Given information: Molarity of NaCl = 0.8 M Volume of solution = 660 mL