A chemist wants to make 5.5 L of a 0.300 M CaCl, solution. What mass of CaCl, (in g) should the chemist use?

Q: A 12.4 g sample of an aqueous solution of nitric acid contains an unknown amount of the acid. If…

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Q: The solution was prepared by adding 150 g of sodium hydroxide to 150 g of water, giving a total…

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

Q: A mass of 30 g KCl is dissolved in 200 ml of solution. What is the concentration of this solution as…

A: Given,Mass of KCl (solute) = 30 gVolume of solution = 200 mLThe concentration of this solution…

Q: possessed by it? True or False? 15). 3 g of Sodium metal and a large amount of ammonia form a…

A: Solute: the component of a solution which is present in lesser amount.Solvent: the component of a…

Q: you have a 1.250 M HCl solution and you need to make 500.0 mL's of 0.1000 M HCl solution. What…

A: Consider the given information is as follows; The initial concentration of HCl M1 = 1.250 M The…

Q: A 10.6 g sample of an aqueous solution of nitric acid contains an unknown amount of the acid. If…

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Q: A 9.47 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

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Q: A student is to prepare a 250.-ml solution of 1.0 M glucose (CHOs, 180.16 g/mol). How many grams of…

A: When a solute is dissolved in a solvent, we get a solution. Molarity is the number of moles of…

Q: . A sample of sodium chloride (NaCl) weighs 5.84 g. solid sample is dissolved in 725 mL of water.…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What mass of KBrKBr (in grams) should you use to make 250.0 mLmL of a 1.10 MM solution of KBrKBr?

A: Given data, Volume of solution is 250 mL =0.25L                       (1L =1000mL) Molarity of…

Q: Mass of ethanol (solute) = 150. g Mass of solution = 978 g What is the mass of the solvent? [?] g…

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Q: A 13.9 g sample of an aqueous solution of perchloric acid contains an unknown amount of the acid. If…

A: We have HClO4 + NaOH → NaClO4 + H2O Volume of NaOH= 25.9 mL Concentration of NaOH=0.192 M Mass…

Q: you have a 2.50 M solution of lithium nitrate (68.946 g/mol). what volume of solution would you need…

A: Concept introduction: Concentration of a solution is equal to the ratio of number of moles to…

Q: If 52.00 ml of 0.500 M CaBr2 solution is added to 128 ml of 0.320 M solution of KCl solution, what…

A: Answer:- This question is answered by using the simple concept of calculation of the diluted…

Q: Suppose that 2.5 ml of 20% AgNO3 solution (density is 1.19 g/ml) was used to precipitate the…

A: Given,  Mass percentage of AgNO3 in solution = 20%  Volume of AgNO3 = 2.5 mL  Density of the…

Q: If you have 155 mL solution of a 0.762 M FeCl, solution, how many moles of FeCl, are contained in…

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Q: To prepare 50 ml of a 100 mM solution of NaCl, a researcher should add___(volume with units) of the…

A: Given: The molarity of the stock solution is 1 M. The molarity and volume of the final solution are…

Q: Consider a solution prepared by adding 2.70 grams acetic acid to 122.8 grams of water :  a. what is…

A: Mass percentage of a component is calculated by dividing the mass of the component with the total…

Q: To make 107 mL of a 0.252 M solution of NaCl [molar mass = 58.44 g/mol], how many grams of NaCl are…

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Q: How many liters of 60% solution of nitric acid should be added to 10 liters of a 30% solution of…

A: Let X L of 60 % solution is mixed with 10 L of 30 % solution. Final solution = 50 % acid

Q: How many moles of zinc chloride, ZnCl,, are there in 281 mL of a 0.245 M solution? moles ZnCl2

A: Given Molarity of solution = 0.245 M ( mol/L) VOlume of solution = 281 ml

Q: A 230. -mL sample of a ‍0.275 M cacl2 solution is left on a hot plate overnight; the following…

A: Molarity equation  The equation that relates two solution with same number of moles of solute is…

Q: What volume of 0.219 M hydrochloric acid (in mL) is needed to neutralize 3.44 g of magnesium…

A: The number of moles is given as the mass upon the molar mass of the substance. The molarity of a…

Q: If you took one tablespoon (15 mL) of vinegar and diluted it with water to make one cup (240 mL) of…

A: It is given that one tablespoon or 15 mL of vinegar is diluted with 240 mL, concentration is usually…

Q: What volume of a 0.500 M HCl solution should you use to prepare 2.60 L of a 0.150 M HCl solution?

A: Given :-  Initial concentration (M1) = 0.500 M  Final concentration (M2) = 0.150 M  Final volume…

Q: A laboratory assistant needs to prepare 345 mL of 0.180 M CaCl2 solution. How many grams of calcium…

A: Given : concentration of CaCl2 = 0.180 M And volume of solution = 345 mL = 0.345 L…

Q: A 11.8 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid.…

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Q: 6. How many moles of aluminum oxalate, Al(COs are needed to make 435 ml. of a 2.93 M solution? 7.…

A: Molarity = moles of soluteVolume of solution moles of solute = grams of soluteMolar mass

Q: A student wants to prepare 560.0 mL of a 0.210 M solution of Li2CO3.  What mass of Li2CO3 must be…

A: Given that; Molarity of Li2CO3 = 0.210 M Volume = 560.0ml = 560.0ml × 1L/1000ml = 0.560 L  Molar…

Q: How many ml. of a 0.230 M aqueous solution of ammonium nitrate, NH,NO,, must be taken to obtain 3.37…

A: Mass of salt = 3.37 g  Determination of moles of salt -  Moles of NH4NO3 =MassMolar mass=3.37…

Q: How many grams of solute are present in 235 mL of 0.680 M KBr?

A: Given: Molarity of KBr solution = 0.680 M Volume of KBr solution = 235 mL = 0.235 L (because 1 L =…

Q: How many grams of solute are needed to make 526 mL of 7.30 × 10² M potassium sulfate? g solute

A: Molarity of potassium sulphate is given by the following formula;

Q: What are solutions? Explain one example of each giving their solvent component and one main…

A: A solution is a homogeneous mixture in which solute is completely soluble in solvent. Solute is…

Q: There is a 12 M aqueous HCl solution in the stock room, but a 1.0 M solution is required for an…

A: Given, a 12 M aqueous HCl solution in the stock.we are askesd to calculate the volume of stock…

Q: An aqueous solution is 12.0% by mass silver nitrate, AGNO3, and has a density of 1.11 g/mL. The…

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Q: A student prepared a standard copper solution by combining 6.37 mL of stock 0.261 mol/L copper(II)…

A: When a solution of Concentration C1 and volume V1 is diluted by adding water to a final volume V2…

Q: A student prepared a standard copper solution by combining 4.12 mL of stock 0.3926 mol/L copper(II)…

A: Since the moles of copper(II) sulfate is coming from the copper(II) sulfate stock solution only…

Q: A Chemistry teacher needs to make 0.45 L of 0.2 M NaOH solution for a class experiment. What volume…

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Q: Consider a 0.950 M solution of NaCl (molar mass= 58.44 g/mol) . How many grams of NaCl are in 558.3…

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Q: A 12.7 g sample of an aqueous solution of hydrochloric acid contains an unknown amount of the acid.…

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Q: How many grams of solute are present in 895 mL of 0.320 M KBr?

A: Given Molarity of KBr = 0.320 M Volume = 895 ml standard value Molar mass of KBr = 119 g/mol

Q: A 7.46 g sample of an aqueous solution of nitric acid contains an unknown amount of the acid. If…

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Q: you have a 2.50 M solution of lithium nitrate (68.946 g/mol). what volume of solution would you need…

A: To solve this question, we will be using basic mole concepts and also the reaction of dissociation…

Q: What volume of 0.36 mol/L sodium hydroxide solution can be prepared from 85.0 ml of a 6.5 mol/L…

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Q: What volume of 0.220 M HBr solution (in mL) is required to obtain 0.060 moles of HBr?

A: If V mL of a C (M) solution contains N mol of solute, then we can write: N=C×V1000…

Q: 1. 10 moles of hydrochloric acid, HCl, is contained in 2.0 Liters (2.0 L) of water. What is the…

A: Given :  No.of moles of HCl = 10 mol  Volume of water =  2.0 L  To calculate :  Molarity of solution…

Q: A 12.3 g sample of an aqueous solution of hydrochloric acid contains an unknown amount of the acid.…

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Q: A 7.26 g sample of an aqueous solution of hydroiodic acid contains an unknown amount of the acid. If…

A: Mass of hydroiodic acid (HI) can be determined by calculating the number of moles of sodium…

Q: A student weighs out 3.23 g of KBr, transfers it to a 125. mL volumetric flask, adds enough water to…

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Q: How many grams of copper(II)sulfate will you mix with 450 mL of water to prepare 2.50% by mass of…

A: The mass percent of copper (II) sulfate can be expressed as follows: Mass% of CuSO4  =  Mass of…