A chemist prepares a solution of vanadium(III) chloride (VCI,) by measuring out 0.21 g of VCI, into a 250. mL volumetric flask and filling to the mark with distilled water. Calculate the molarity of Cl anions in the chemist's solution. Be sure your answer is rounded to 2 significant digits. mol L

Q: The number of milliliters of 12.0 M HBr required to prepare 250 mL of 5.00 M HBr is ________.

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Q: A sample of seawater from a tidal estuary was found to contain a concentration of 671 mg of chloride…

A: Given : Mass of chloride ion = 671 mg = 0.671 g…

Q: Vinegar is sold as a standardized solution of 5.00% by mass acetic acid in water. Assuming the…

A: Given that vinegar is  5.00%  by mass acetic acid in water. i.e. 5 g of acetic acid (CH3COOH) is…

Q: A chemist prepares a solution of magnesium bromide (MgBr.) by measuring out 0.60 g of MgBr, into a…

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Q: A solution is prepared by dissolving 3.2 grams of NaCl (MM=58.44 g/mol) in enough water to make…

A: The molarity is a concentration term which is explained as the number of moles of solute dissolved…

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: If 145.52 mL of 1.956 M calcium hydroxide solution is diluted to 119.03 mL, what is the resulting…

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

Q: The 250 mL bottle of Lindeman's Shiraz wine in my kitchen is 11.25 % ethanol by volume. The density…

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Q: A solution of cobalt(II) chloride is analyzed, and the concentration of cobalt(II) ions is found to…

A: Given,  Concentration of cobalt(II) ions(Co2+) = 0.27 mol/L Concentration of Chloride ion (Cl^-1) =…

Q: A solution is prepared by dissolving 45.6 g of Mg(NO3)2 in 515 g of water. The density of the…

A: Definition: Molarity is a concentration term for a solution. The molarity of a given solution is…

Q: What mass in grams (g) of Li3PO4  (MM=115.97 g/mol) is needed to prepare 125. mL of a solution…

A: Molarity (M) indicates the number of moles of solute per liter of solution (moles/Liter) and is one…

Q: What is the molar concentration (in mol/L) of the solution prepared by dissolving 1.679 g of…

A: Given that:                 Volume of the solution (V) = 100.00 mL = 0.100 L               Mass of…

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

A:

Q: The density of a NH3 solution is 0.89 g/mL and it is 32,00% by mass NH3. What is the molarity of the…

A: Since % by mass = % m/m  And % m/m = mass of solute X 100 / mass of solution  Assuming we have 100 g…

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: A sample of seawater from a tidal estuary was found to contain a concentration of 567 mg of chloride…

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: Concentrated acetic acid is 15.8 M; whereas white vinegar is 0.63 M acetic acid. How much…

A: we know the dilution equation: => C1V1 = C2V2 where, C1 is the initial concentration, V1 is the…

Q: It is desired to prepare exactly 100. mL of sodium chloride solution. If 2.71 g NaCl is weighed out,…

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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: KOH and NaOH are dissolved in water to form a 2.48 molar solution. If 42.9 g of NaOH are used and…

A: Given: Volume of solution = 1673 mL Molarity of solution = 2.48 M Mass of NaOH = 42.9 g

Q: Enter your answer in the provided box. A sample of concentrated nitric acid has a density of 1.41…

A: 70.0% of HNO3 means that 70.0 g of HNO3 is present in 100 g of solution. Let's say we have 100 g of…

Q: . An aqueous solution of sodium carbonate, Na2CO3, is titrated with strong acid to a point at which…

A:

Q: The mass percentage of hydrochloric acid within a solution is 32.00%. Given that the density of this…

A: Given: The mass percentage of HCl solution = 32.00% The density of the solution = 1.161 g/mL We have…

Q: What is the molarity of toluene in a solution that is prepared by adding 59.3 g of toluene (CH)…

A: Since we know that  Molarity = number of mole of solute /volume of solution in L  First we calculate…

Q: In the laboratory, a student adds 45.1 mL of water to 10.6 mL of a 0.773 M hydrobromic acid…

A: Given : Initial concentration of hydrobromic acid i.e HBr = 0.773 M Initial volume of HBr solution =…

Q: What is the molarity of sodium chloride in a solution that is 26.9% by mass NaCl and has a density…

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Q: What volume of 0.275 M KMnO4 solution is needed to prepare 514. mL of 0.0270 M KMnO4? Enter your…

A: Molarity of a solution is defined as the number of moles of solute present in one litre of a…

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 10.0 mL sample of Potassium iodide solution was analyzed by adding an excess of Silver nitrate…

A: The balanced molecular equation for the reaction between Potassium iodide and Silver nitrate is…

Q: Enter your answer in the provided box. Calculate the mass of Cal, in grams required to prepare 5.00…

A: Note: Please repost other question separately to be answered as per company policy we are supposed…

Q: A sample of potassium phosphate (K3PO4) is added to 15.0 mL of 0.050 M silver nitrate (AgNO3),…

A: Given: Molarity of AgNO3 = 0.050 M Volume of AgNO3 = 15.0 mL Molar mass of Ag3PO4 = 418.58 g/mol

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: Calculating ion molarity using solute mass A chemist prepares a solution of iron (II) chloride…

A: Gg

Q: A sample of seawater from a tidal estuary was found to contain a concentration of 711 mg of chloride…

A: Given values-> Weight of chloride ion = 711mg = 711 × 10^-3gram Density = 1.035gm/mole

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: In the laboratory, a student dilutes 25.3 mL of a 8.46 M hydrobromic acid solution to a total volume…

A: Concept: When we dilute the solution the moles of solute remain constant. The mole of solute can be…

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: An aqueous solution is 10.0% by mass hydrochloric acid, HCl, and has a density of 1.05 g/mL.The…

A: 10% by mass HCl means, 10 g HCl in 100 g solution. Mass of solute (HCl) = 10 g Number of moles of…

Q: In an experiment, a solution is prepared by dissolving 55.0 g NaOH in water until the final volume…

A: Given mass of NaOH = 55 g Volume of solution = 300 ml = 300 × 10-3 L

Q: A chemist prepares a solution of potassium bromide (KBr) by measuring out 31. mg of KBr into a 100.…

A:

Q: A student uses a pipette to dilute 1.00 mL of a standard iron solution to 50.0 mL. If the µg what…

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Q: What volume of 1.91 M KMNO4 in liters, contains 344 g of solute?

A:

Q: If 18.00 mL of 0.1000 M magnesium hydroxide reacts with 10.00 mL of hydrochloric acid, what is the…

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

Q: A student determines the iron(III) content of a solution by first precipitating it as iron(III)…

A: The balanced chemical equation representing the precipitation of ferric nitrate in water can be…

Q: A student determines the iron(III) content of a solution by first precipitating it as iron(III)…

A: Given, Concentration of iron(III) nitrate solution = 0.539 M = 0.539 mol/L Volume of iron(III)…

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 sample of seawater from a tidal estuary was found to contain a concentration of 559 mg of chloride…

A:

Q: If the density of the vinegar solution was 1.01 g/mL, what is the mass percent of the vinegar in the…

A: Consider 1000 mL (= 1.0 L) vinegar solution in order to calculate the mass percent of the given…