A solution is prepared by dissolving 3.0 g iron(II) chloride (MW=126.8 g/mol) with 75.0 mL of water.  The density of the solution is 1.21 g/mL and the density of water is 1.0 g/mL.  A student takes 10.0 mL of this solution and dilutes it with water to 250 mL (3 SF).  What is the molar concentration of chloride ion in the diluted solution?

Q: A geologist discovers a magnesium carbonate hydroxide hydrated salt with the chemical formula…

A: To calculate the number of water of hydration are present in the original hydrated salt.

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A:

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Q: Calcium nitrate  (Ca(NO3)2 ; MM =164.0878 g/mol)) dissolves in cold water to the extent of 266 g per…

A: Given: Calcium nitrate [Ca(NO3)2] dissolves in cold water to the extent of 266 g per 100 mL Ca(NO3)2…

Q: a) Write a balanced chemical equation for the reaction.  b) What mass of acetic acid is in the…

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Q: A 66.7 mL sample of 18.0 M sulfuric acid was diluted with enough water in a volumetric flask to make…

A: The solution is as follows:

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Q: The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same…

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Q: An analytical chemist weighs out 0.123 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

Q: In the laboratory you dissolve 12.2 g of magnesium iodide in a volumetric flask and add water to a…

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A: Given,97.0% NaOH by massDensity= 1.109 g/mL

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Q: How many grams of sodium dichromate, Na2 Cr2 O7, should be added to a 100.0-mL volumetric flask to…

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Q: An intravenous electrolyte solution has a Na+ ion concentration of 154 mEq/L. A patient in the…

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Q: If 211 mL of water is added to 5.00 mL of 3.24 M NaCI solution, what is the concentration of the new…

A: N1= 3.24M V1= 5.00 mL N2= ?? V2=211mL+5mL=216mL

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Q: The following chemical reaction takes place in aqueous solution: 2 AGNO,(aq)+K,CO3(aq) → Ag,CO3(s)+2…

A:

Q: A 15.2-g sample of sodium carbonate is added to a solution of acetic acid weighing 19.4 g. The two…

A: Soln

Q: Calculate the concentration, in grams of solute per 100 g of water, of a solution in which 7.462g of…

A: Given,7.462 g of solute dissolved in 25.50 mL of water.Determine the concentration in grams per…

Q: The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same…

A:

Q: The equation for the reaction of copper and dilute nitric acid is: 3Cu + 8HNO3 ⟶⟶ 3Cu(NO3)2 + 2NO +…

A: Answer :-  Volume of Nitric acid (HNO3) solution which contains 27.0% HNO3 by mass and has a density…

Q: CaCO3 + HCl →CO2 + CaCl2 + H2O Suppose you collect a 5.00 g sample of impure limestone and want to…

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Q: A solution is made by adding 29.1 mL of concentrated potassium hydroxide (34.5 wt%, density 1.46…

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Q: A solution is prepared by adding 25.0 mL of 1.30 M AlCl3 solution to a flask, and then adding enough…

A:

Q: A chemistry student weighs out 0.212 g of lactic acid (HC,H,03) into a 250. mL volumetric flask and…

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Q: You have 272.9 mL of a 0.174 M MgSO4 solution. What would the molarity of the resulting solution be…

A: According to the law of dilution, we can write: C1V1 = C2V2       ................... (1) where: C1…

Q: An analytical chemist weighs out 0.118 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

Q: When solutions of silver nitrate and sodium chloride are mixed, silver chloride precipitates out of…

A: Consider the given balanced equation is as follows; Reaction:       AgNO3aq     +    NaClaq      →…

Q: If you are asked to prepare a 3.10 M NaOH solution in the laboratory, to what volume should you…

A:

Q: diluted

A: mmoles of HCl = ( Molarity ) • ( volume )  mmoles of HCl = 3.00molL-1 • 25.00mL  mmoles of HCl =…

Q: In the laboratory, a student dilutes 18.4 mL of a 6.23 M hydrobromic acid solution to a total volume…

A: Given information: C1 = 6.23 M V1 =18.4 mL V2 = 200.0 mL

Q: A volume of 10 mL of an unknown hydrochloric acid sample was diluted to 100 mL. The diluted solution…

A:

Q: In the "Methodé Champenoise," grape juice is fermented in a wine bottle to produce sparkling wine.…

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Q: If 100.0 mL of potassium dichromate solution (10.0 g of K2Cr207 per liter) was mixed with 75.0 mL of…

A:

Q: 1.58g of magnesium hydrogencarbonate was added to a 1.68 mol/L solution of acetic acid, CH3COOH in…

A: Given,  1.58g of magnesium hydrogencarbonate was added to a 1.68 mol/L solution of acetic acid,…

Q: What mass of oxalic acid dihydate, H2C2O4•2H2O, is needed to make a 0.498 M solution of oxalic acid…

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Q: You are making 750 mL of a 0.7 M Ca(OH)2 solution.  How many moles of Ca(OH)2 will be added?  How…

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Q: molarity of a solution made from 5.906 g sodium chloride (MM=58.44 g/mol) dissolved in water to a…

A:

Q: An aqueous Na;PO, solution is made using 42.3 g of Na,PO, diluted to a total solution volume of 2.00…

A: Given :- Molar mass of Na3PO4 = 163.94 g/mol Given mass of Na3PO4 = 42.3 g Density of solution =…

Q: The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same…

A: % (w/v) = (100 x Mass of solute in g)/Volume of solution in mL

Q: If you take 51.9 grams of calcium chloride (CaCl2) and dissolve it in 185.2 mL of water, what is the…

A:

Q: When potassium chloride, KCl, is added to a solution of lead nitrate, Pb(NO3)2, a bright yellow…

A: Using the moles concept to calculate the moles of kcl required.  Then to calculate volume.

Q: A solution of ethanol (C2 H5 OH) in water is prepared by dissolving 75.0 mL of ethanol (density =…

A: Given,Volume of ethanol, C2H5OH = 75.0 mLDensity of ethanol = 0.79 g/cm3 = 0.79 g/mL     (1 g/cm3 =…

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Q: One of the Ionic compounds in sports drinks is potassium di hydrogen phosphate. The label on one of…

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Q: A sample of 18.5 grams of sodium phosphate is weighed out on a balance and prepared to a volume of…

A: