Molarity Problem: How many moles of solute are in 250 mL of 2.0M CaCl2? How many grams of CaCl2 is this?

Q: Problem Page Question Calculate the volume in liters of a 0.120M potassium permanganate solution…

A: Given information:Mass of potassium permanganate = 200 gMolarity of potassium permanganate = 0.120 M

Q: CHALLENGE QUESTION: You dissolve 410. g of phosphorous acid to make a 2.0 L stock solution. What…

A: Given information,    Mass of phosphorous acid = 410 g    Volume of stock solution =2.0 L    Volume…

Q: What is the molarity of 0.23 mol of dissolved in 0.530 L of water. Please explain

A: Molarity is the amount of substance in a certain volume of solution.       Molarity = no. Of moles…

Q: When 10 grams of alcohol is added to 40 grams of water, the percent solution will b O 20 % O 15% O…

A: Given that: Mass of water, MB = 40 gMass of alcohol, MA = 10 g To find: Percent solution when 10 g…

Q: What is the volume NaOH used (mL) for Trial 1, 2 and 3

A: The volume of NaOH used in the titration is given as:Final volume of NaOH (mL) - Initial volume of…

Q: An ionic compound has a very large positive heat of solution (delta Hsoln), will it be very soluble…

A: Exothermic reactions  are those in which energy is released whereas endothermic reaction are those…

Q: What is the mass percent of the solutions that contains 50 g solute and 50 g solvent? Express your…

A: The concentration of a substance can be measured in terms of mass by mass percentage. This…

Q: What volume of

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Q: QUESTION 10 A 25 mL sample of a 3 M solution of HCI is diluted to 978 mL. What is the new…

A: Dear student I have given answer to your question in the image format.

Q: How many sodium ions are contained in 99.6 mg of Na2SO3? The molar mass of Na2SO3 is 126.05 g/mol

A: Weight of Na2SO3 = 99.6 mg = 0.0996 g( 1g = 1000 mg) Molar mass of Na2 SO3 = 126.05 g/mole=…

Q: How many moles of NaCl are in 0.43 L of a 0.75 M NaCl solution?

A: Mole concept is applied to find out the quantity of any compound in moles. The moles can be…

Q: The names and chemical formulae of some chemical compounds are written in the first two columns of…

A: 1) C6H12O6This is molecular compound. It does not dissociate in aqueous solution. 2) CuBr2is ionic…

Q: think NaCl would be the most soluble?

A: A homogeneous mixture formed between two components is called a solution.  This happens when both,…

Q: Caluclate the concentration of each solution in mass percent. 8.72g C2H20 IN 76.1g H2O

A: The percentage concentration of any solution is generally expressed using mass percent. The formula…

Q: If you have 0.200 mol of a compound in a 0.810 M solution, what is the volume (in L) of the…

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Q: How many ml of 4.00 M stock solution are needed to make 42 ml of 0.52 M solution ?

A: Concentration of Stock solution, C1 = 4 M Volume of Stock solution needed, V1 = ? Concentration of…

Q: In lab you are required to make 250.0 mL of a 1.1 M NaOH solution. How many grams of NaOH should you…

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Q: D. How many grams of propane, CaHs, are needed to make 140 grams of water?

A: The equation for the given reaction is as follows. C3H8+O2→H2O+CO2 Balanced equation for the given…

Q: DETAILS PREVIOUS ANSWERS MY NOTES ASK YOUR TEACHER A solution is 92 ppm calcium ion. Calculate the…

A: 1 ppm is 0.001 mg ml-1 Hence, 92 ppm means 92 ×10-3 mg ml-1. 92 ppm is 92 ×10-3 g L-1. Molar mass of…

Q: Example Problem #9-8c: 0.400 L of a 12.0 M stock solution of sulfuric acid is enough to prepare how…

A: Dilution of the solution: On dilution of the solution with the pure water, the mole of solute…

Q: What is the molarity of 95.00g of calcium hydroxide in 1.05L of solu? Round answer to 2 decimal…

A: To solve this problem we have calculate the molarity of the solution .

Q: 15. What is the molar concentration of a solution that contains 42.3g of H2SO4 in 500.0mL of…

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Q: Enter your answer in the provided box. Calculate the molarity of 25.5 mL of 7.38 M HCl diluted to…

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Q: If 28.8 mL of 5.9 M nitric acid is diluted to 75.0 mL, what would the new molarity be? Report…

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Q: How many milliliters of solution are needed to make 0.30 M solution containing 0.46 grams of…

A: Given :-  mass of Ca(OH)2 = 0.46 g  molarity of solution = 0.30 M  To calculate :-  volume of…

Q: What is the molarity ? 0.46 mol of LiNO3 in 6.24 L of solution Round answer to two significant…

A: given, moles of LiNO3 = 0.46 mol Volume = 6.24 L

Q: An exercise in lab requires you to make 500 mL of 2.3M beryllium sulfide solution. How many moles of…

A: GivenVolume of the solution = 500mlMolarity of the solution = 2.3M

Q: How many mLs of water would you add to 500 mL of a 0.42 M NaCI solution to make isotonic solution?…

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Q: How much volume of water is needed to make a 0.08 M solution of Na2SO3 from exactly 980.5 mg of…

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