In dilutions the amount of solute is held constant, but the volume is changed. Since (concentration)(volume) is equal to the amount of solute, we can derive an expression: M1V1=M2V2 where M represents molarity in mol/L and V is volume of the solution in Liters. THIS ONLY WORKS FOR DILUTIONS. Show you work and use the Molarity Simulation to check your answers. If 0.20 L of 2.5 M K2CrO4 is diluted to 0.769L what is the new concentration?

Q: 1.80 L of a 3.50 M NaOH solution Express your answer with the appropriate units. 0 Value μA Part B…

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Q: The toxicity of DDT (C14H9CI5) led to a ban on its use in the United States in 1972. Determinations…

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Q: Suppose 18.7 g of zinc chloride is dissolved in 250. mL of a 0.60 M aqueous solution of potassium…

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Q: If the saturation limit of a solute is 12 g in 100 mL, then a solution containing 3.0 g of solute…

A: Given saturation limit of solute is 12 g in 100 mL. Solution that contains maximum amount of solute…

Q: If you add 42.9 g Pb(NO3)2 to 30.5 g water at 50°C, how many grams of the Pb(NO3)2 would dissolve?…

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Q: A student wants to make a 2.50 M aqueous solution of silver nitrate, AgN03 and has a bottle…

A: Given values, Molarity= 2.50 M= 2.50 mol/L Mass of AgNO3 = 21.89 g Molar mass of AgNO3 = 169.87…

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Q: How many grams of xylose (C5H1005) would be in 10 liters of a 2 M solution? Show your work or…

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Q: Suppose 0.707g of potassium iodide is dissolved in 200mL of a 16.0 M aqueous solution of silver…

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Q: Calculate the molarity

A: Molarity = number of moles of solute/volume of solution(in L)  Number of moles = mass/molar mass

Q: In a lab, you're provided with a stock solution of food dye. This is a solution from which you…

A: Dilution of the stock solution: When we dilute a concentrated solution with pure water, the mole of…

Q: Table 1. Raw titration data Trial 1 50.00. M L 24.500mL Trial 3 33.000mレ 9,500ML Trial 2 Initial…

A: Stock molarity (M1) = 10.0 M Volume of stock (V1) = 20.000 mL Final volume (V2) = 100.000 mL   The…

Q: Part B Read the following problem and then answer the questions. An 85.0-mL aqueous solution…

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Q: Use the graph below. At 40 °C, what mass of NANO3, in grams, would dissolve in 25 g water to make a…

A: The solubility curve of salts given is

Q: A chemist prepares a solution of potassium chloride (KCI) by measuring out 75.7 mg of KCI into a…

A: Given Mass of kcl = 75.7 mg = 0.0757 g Volume of solution = 100ml = 0.1L

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Q: Suppose 11.9g of potassium nitrate is dissolved in 300.mL of a 0.30 M aqueous solution of ammonium…

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Q: Suppose 14.8 g of zinc nitrate is dissolved in 100. mL of a 0.80 M aqueous solution of ammonium…

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Q: QUESTION 7: Metals react with oxygen gas to form metal oxide. For example, magnesium reacts as…

A: Given following balanced Chemical equation -  2Mg(s) + O2(g) ---> 2MgO(s)  Also given that , mass…

Q: drogen peroxide (H₂O₂) is used in commercial tooth whitening products where the H₂O₂ concentration…

A: Mass percentage = 10% Density = 1.45 g/mL Molar mass of hydrogen peroxide = 34.0147 g/mol

Q: In dilutions the amount of solute is held constant, but the volume is changed. Since…

A: Initial volume, V1 = ? Initial concentration, M1 = 1.0 M Volume after dilution, V2 = 0.80 L…

Q: A student makes a solution by dissolving 4.875 g of K2CO3 (MM = 138.205 g/mol) in 200.0 mL of water.…

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Q: If you dilute 35.0 mL of 1.00 M hydrochloric acid to 800. mL, what is the molar concentration of the…

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Q: Mass of empty beaker: 30.453 g 31.909 g Mass of beaker plus sample, before heating: 31.176 g Mass of…

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Q: A chemist prepares a solution of magnesium chloride (MgCI,) by measuring out 25.5 mg of MgCl, into a…

A: Given:: mass of MgCl2 = 25.5 mg = 0.0255 g molar mass of MgCl2 =95.211 g mol-1 volume = 50 ml =…

Q: Chemistry How could aqueous solutions formed from pure salts, the relationship between molarity and…

A: Molarity is the number of moles per litre of the solution. Mass concentration tells you about the…

Q: 1, determine the mass of blue dye in the solution. ( of the dve is 792 84g/mol).

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Q: calculate the mass percent of your solution. show your calculations

A: Mass percent is the physical quantity used to define the concentration of the species Mass percent…

Q: Suppose 0.552g of zinc acetate is dissolved in 100.mL of a 22.0mM aqueous solution of ammonium…

A: zinc acetate = 0.552g aqueous solution of ammonium sulfate is ; 100.mL of a 22.0mM Volume of…

Q: O CHEMICAL REACTIONS Brittney Calculating molarity using solute mass A chemist prepares a solution…

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Q: 3 Calculate the volume in milliliters of a 6.74 g/L barium chlorate solution that contains 450. mg…

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Q: Mass percent is determined by the calculation 1. (grams solute grams solvent) x 100% 2. (grams…

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Q: Suppose 32.4g of zinc acetate is dissolved in 350.mL of a 0.70 M aqueous solution of ammonium…

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Q: Say you have 2.50 M CaSO, solution and you need 300. mL of 0.400 M CaSO, How can you prepare this…

A: Molarity is the number of moles of solute dissolved per volume of the solution.  Molarity is a way…

Q: Calculate the volume in liters of a 1.2 x 105 mol/L mercury(II) iodide solution that contains 75.0 g…

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Q: Part II. Preparation of 50 mL 0.5% NaCl solution Materials: NaCl, weighting boat, spatula, balance,…

A: Given that, You have posted multiple questions, according to guidelines I am solving first one.If…

Q: 4.84 mL of a dark blue solution with a dye concentration of 15.72 %m/v is diluted to a total volume…

A: Given: Initial concentration of dye (M1) = 15.72 %m/v Initial volume V1 = 4.84 mL Final volume V2 =…

Q: What is the molarity of a solution prepared using the given amount of solute and total volume of…

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Q: How many moles of solute particles are present in 4.16 mL of 0.281 M NaNOg? Take the LOG (base 10)…

A: Given : Concentration of NaNO3 = 0.281 M And volume of solution = 4.16 mL

Q: In dilutions the amount of solute is held constant, but the volume is changed. Since…

A: Initial volume, V1 = 0.50 L Initial concentration, M1 = 1.0 M Volume after dilution, V2 = 1.0 L…

Q: Answer the following question: How many moles of ammonia are in 500. mL of a 2.25 M aqueous ammonia…

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Q: Suppose 0.867g of zinc bromide is dissolved in 300.mL of a 19.0m M  aqueous solution of potassium…

A: A numerical problem based on mole concept, which is to be accomplished.

Q: For the following, use proper sig figs, do not include units, and do not place numbers in scientific…

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