A chemist prepares a solution of aluminum chloride (AICI,) by measuring out 49.6 umol of aluminum chloride into a 400. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mmol/L of the chemist's aluminum chloride solution. Round your answer to 3 significant digits. mmol Oxto L O

Q: A chemist prepares a solution of aluminum sulfite (Al, (SO,)) by measuring out 57.0 umol of aluminum…

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Q: A chemist prepares a solution of potassium chloride (KCI) by measuring out 0.22 g of KCl into a 250.…

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Q: Express 1:444 (w/v) as a percent concentration (round to three decimal places) and as a…

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Q: The density of an aqueous solution containing 40.0% sulfuric acid (H2SO4) by mole is 1.681 g/mL. c)…

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Q: A chemist prepares a solution of barium acetate (Ba (C,H3O2),) by measuring out 291. g of barium…

A: Given: mass of barium acetate = 291. g Volume of barium acetate solution =450. mL…

Q: Concentrated acetic acid is 17 M; whereas white vinegar is 0.765 M acetic acid. How much…

A: Given: Concentration of concentrated acetic acid = 17 M Concentration of vinegar = 0.765 M And…

Q: A chemist prepares a solution of potassium dichromate (K,Cr,0,) by measuring out 16. umol of…

A: Molarity or concentration of solution may be defined as the number of moles of given solute…

Q: A chemist prepares a solution of aluminum sulfite (Al, (SO,).) by measuring out 1.5 × 10“ umol of…

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Q: The density of bromine is 3.1 g/ml. What would the amount be in mols, of a 25ml sample of bromine?…

A: Answer: Amount of sample of Bromine (Br2) is 0.485 moles

Q: A chemist prepares a solution of silver(I) perchlorate (AgCIO,) by measuring out 5.9 × 10´ µµmol of…

A: Concentration in terms of molarity is defined as the moles of solute present per litre of the…

Q: A chemistry student must write down in her lab notebook the concentration of a solution of potassium…

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Q: In the laboratory you dissolve 22.9g of magnesium iodidein a volumetric flask and add water to a…

A: Since the molar mass of magnesium iodide i.e MgI2  = Atomic mass of Mg + 2 X Atomic mass of I  Hence…

Q: What volume of a 4.60 M solution of NaNO3 do you need to make 0.450 L of a 1.00 M solution of NaNO3?…

A: The dilution law is shown below: M1×V1 = M2×V2 M1 = molarity for concentrated solution M2 = molarity…

Q: A chemist prepares a solution of sodium thiosulfate (Na₂S₂O3) by measuring out 18. g of sodium…

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Q: An analytical chemist weighs out 0.112 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given, Mass of an unknown acid = 0.112 grams.    Volume of flask = 250 mL. Molarity of NaOH = 0.0700…

Q: A chemist prepares a solution of sodium thiosulfate (Na,S,0,) by measuring out 271. g of sodium…

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Q: Find the milliliters of 0.250M KOH needed to neutralize 115.0 mL of 0.834 M H,PO,. Write and balance…

A: The balanced chemical equation for the neutralization reaction between KOH and H3PO4 is  3 KOH +…

Q: A student dissolved 4.52 g of Mg(NO3)2(s) in enough water to make 400 mL of solution. What is the…

A: Given: Mass of Magnesium nitrate = 4.52g Volume of Solution = 400mL

Q: A chemistry student must write down in her lab notebook the concentration of a solution of potassium…

A: The concentration of a solution furnishes information about the amount of the substance present in…

Q: A chemist prepares a solution of aluminum sulfite (Al₂(SO3)3) by measuring out 44. µmo! of aluminum…

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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: what volume, in mL of ethanol (C:H&O), are present in the bottle?

A: Given :- %v/v = 6.50%  volume of beer (solution) = 750.0 mL  To be calculated :- volume of ethanol…

Q: A chemist prepares a solution of silver perchlorate (AgCIO,) by measuring out 1.9 kg of silver…

A: Molarity is a concentration term for a solution. The molarity of the given solution is defined as…

Q: Enter your answer in the provided box. How many grams of solute are needed to make 870 mL of 6.46 x…

A: Given data: Volume = 870 mL Concentration of potassium sulfate = 6.46×10-2 M

Q: what volume, in ml of ethanol (C:H.O), are present in the bottle?

A: Given :- %v/v = 6.50 %           Volume of solution (beer) = 750.0 mL  To be calculated :- volume of…

Q: A mixture is made by combining 1.51 lb of salt and 4.73 lb of water. What is the percentage of salt…

A: Percentage by mass or mass percent (w/w) % is defined as the ratio of mass of a substance to total…

Q: From the information below, determine the mass of NH3 in 500 grams of concentrated ammonia?Ammonia,…

A: The ammonia solution is 28% by mass of solute; this means that 100 mL of the solution contains 28 g…

Q: What is the concentration of sodium chloride in the final solution if 18.50 mL of 0.125 M BaCl2…

A: From the moles of sodium chloride we can calculate the concentration of sodium chloride.

Q: Calculate the normality of 0.321 g sodium carbonate when it is mixed in a 250 mL solution

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Q: A chemist prepares a solution of calcium sulfate (Caso,) by measuring out 0.14 µmol of calcium…

A: A micromole = 10-3 mmole

Q: In the laboratory you dissolve 16.6 g of magnesium chloride in a volumetric flask and add water to a…

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Q: For convenience, one form of sodium hydroxide that is sold commercially is the saturated solution.…

A: Concentration of the stock solution of sodium hydroxide saturated solution is given as 19.4 M.…

Q: A student determines the calcium content of a solution by first precipitating it as calcium…

A: 1000 ml 1M solution means 1 mol is present in 1000 ml solution.  So, moles of Ca(NO3)2 in 53 mL of…

Q: A chemist prepares a solution of mercury(I) chloride (Hg, Cl,) by measuring out 0.00011 umol of…

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Q: An analytical chemist weighs out 0.050 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: In an acid-base neutralization reaction, normality will be compared as the base is monobasic and the…

Q: What mass of KBr (in grams) should you use to make 250.0 mL of a 1.20 M solution of KBr? Express the…

A: We have to predict the mass of salt needed.

Q: A chemist prepares a solution of potassium iodide (KI) by measuring out 3.0 x 10 umol of potassium…

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Q: A chemist prepares a solution of silver(I) perchlorate (AgClO,) by measuring out 2.37 x 10 umol of…

A: Given, Moles of AgClO4=2.37×103 micromol Volume =500.0 ml Molarity = ?

Q: O CHEMICAL REACTIONS Calculating molarity using solute moles A chemist prepares a solution of…

A: Given, Note: 1 µmol = 10-6 mol Moles of FeBr3 = 85 µmol = 85 × 10-6 mol Note: 1 mL = 10-3 L Volume…

Q: A chemist prepares a solution of silver(I) nitrate (AGNO,) by measuring out 107. µmol of silver(1)…

A: Given data contains, Moles of silver nitrate is 107 μmol=107 μmol×1 mmole1000 μmol=0.107 mmol Volume…

Q: A chemist prepares a solution of potassium permanganate (KMNO,) by measuring out 0.28 umol of…

A: Rules of significant figures: Any non-zero number is significant. Zeros between significant numbers…

Q: Calculating molarity usihy A chemist prepares a solution of mercury(I) chloride (Hg,Cl, ) by…

A: Given, mass of mercury (I) chloride (Hg2Cl2) = 1.0 mg = 0.001 g Volume of the volumetric flask =…

Q: What volume of 1.24 M KMnO4, in liters, contains 422 g of solute? Volume = %3D L

A: Given, Molarity of KMnO4 solution = 1.24 M = 1.24 mol/L Mass of solute = 422 g

Q: Density of an aqueous solution of nitric acid is 1.43 g/mL. If this solutioin contained 36.0% nitric…

A: Given, Density of an aqueous solution of nitric acid = 1.43 g/mL Mass % of nitric acid = 36.0 %…

Q: A chemist prepares a solution of aluminum sulfite (Al, (SO,)) by measuring out 1.5 × 10" umol of…

A: Number of moles of solute present in 1 liter of solution is known as molarity of the solution.

Q: A chemist prepares a solution of aluminum sulfite (Al, (SO,)) by measuring out 179. µmol of aluminum…

A:

Q: A chemist prepares a solution of vanadium(III) bromide (VBr) by measuring out 12. mg of VBr, into a…

A: Given, Note: 1000 mg = 1 g, 1000 mL = 1 L mass of VBr3 = 12. mg = 0.012 g Volume of the flask =…

Q: A chemist prepares a solution of silver perchlorate (AgClO,) by measuring out 1.07 kg of silver…

A: Given, mass of AgClO4 = 1.07 kg = 1.07 × 1000 g = 1070 g Volume of the solution = 250 mL = 0.250 L…

Q: According to the label on a bottle of concentrated hydrochloric acid, the contents are 36.0% HCl by…

A: By considering the total mass of the solution be 100 g. The amount (m) of HCl present is 36.0 g. The…