Use the References to access important values if needed for this question. In the laboratory you dissolve 15.7 g of cobalt(II) fluoride in a volumetric flask and add water to a total volume of 125 . mL. What is the molarity of the solution? M

Q: How do you calculate the density of 0.9-M solution of HCl? The book gives the density of 1.0-M HCl…

A: Given: Molarity of HCl = 0.9 M Molecular weight of HCl = 36.46 g/mol

Q: A chemist needs 12.19 mL of 1.99 M NaOH. What volume in mL of 3.07 M NaOH must be diluted in water…

A: We have to make 12.19 ml of 1.99 M NaOH solution, from 3.07 M stock solution, we have to calculate…

Q: What volume of 6.0 M NaOH is needed to make 1.00L of 0.500 M NAOH solution? mL (Report your answer…

A: Consider the given information is as follows; Initial concentration M1 = 6.0 M Initial volume (V1) =…

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: What volume of 0.178 M sugar solution can be prepared from 66.3 mL of 0.356 M solution? Enter your…

A: Dilution equation can be used to calculate the volume of diluted solution.  c1v1=c2v2…

Q: In the laboratory, a student adds 48.0 mL of water to 14.6 mL of a 0.624 M nitric acid solution.…

A: Given values, N1= 0.624 M V1= 14.6mL N2=?? V2= 14.6+48.0 = 62.6 mL

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: You have 15 mL of a 0.25 M NaCl(aq) solution. What volume should you dilute it to in order to obtain…

A: Given: The initial volume (V1) of NaCl (sodium chloride) solution is 15 mL The initial molarity (M1)…

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

A:

Q: In the laboratory, a student dilutes 22.9 mL of a 11.9 M nitric acid solution to a total volume of…

A: Moles of solute remain constant during dilution. Moles of solute = molarity x volume of solution…

Q: How many grams of chlorine are in 269 milliliters of a 1.362 M MgCl2 solution? Hint: the solubility…

A: Molarity is the moles of solute present per unit of volume. So we can determine moles of solute if…

Q: The mass percentage of hydrochloric acid within a solution is 40.00%. Given that the density of this…

A: Given: Mass percent = 40% Density = 1.200 g/mL Molarity = ?

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: Enter your answer in the provided box. Calculate the following quantity: volume of 1.86 M calcium…

A: This problem can be solved by using the molarity equation :…

Q: In the laboratory, a student adds 44.1 mL of water to 12.1 mL of a 0.577 M nitric acid solution.…

A: Provided initial Molarity(M1)=0.577M Let final Molarity = M2    (say) Initial volume of nitric acid…

Q: b) An ethanol-water solution is prepared by dissolving 10.00 mL of ethanol, CzH;OH, (d=0.789 g/mL),…

A: Volume percentage of ethanol =

Q: What is a solute? Why is water the universal solvent?

A: Solution is a liquid mixture that is formed by combining two chemical substances in which one is…

Q: An aqueous solution of hydrofluric acid is 30.0% HF, by mass, and has a density of 1.101 g/mL. What…

A: X% of a compound by mass means that there is X g of that compound present in a solution of total…

Q: In the laboratory, a student adds 57.5 mL of water to 15.1 mL of a 0.508 M nitric acid solution.…

A: Given that 57.5 m L of water is added to 15.1 m L water. Then, the final volume of the diluted…

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: It is desired to prepare 0.500 L of a 0.125 M solution of NaCI from a 1.00 M stock solution. How…

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

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

A:

Q: If I dilute 75mL of 0.40 M CaF2 solution to a final volume of 275 mL, what will be the molarity of…

A: Given :  Initial molar concentration of CaF2 solution = 0.40 M  Initial volume = 75 mL  Final volume…

Q: What volume (in ml) of concentrated HCl (with a concentration of 10 M) do you need to prepare 10 ml…

A:

Q: How many grams of chlorine are in 101 milliliters of a 1.474 M MgCl2 solution? Hint: the solubility…

A:

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

A:

Q: What volume of 0.218 M KMnO4 solution is needed to prepare 503. mL of 0.0151 M KMnO4? Enter your…

A: The equation is, M1V1 = M2V2

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: Maggie filtered out a sample of copper (II) chloride, CuCl2 from a local pond, and found its mass to…

A: Molarity (M) :-  The number of moles of solute present in dissolved state in one litre of solution…

Q: A 11.33 M HCl solution has a density of 1.18 g/mL.  What is the concentration of this solution in…

A:

Q: In the laboratory you dilute 3.30 mL of a concentrated 3.00 M perchloric acid solution to a total…

A: Given :-  Initial concentration of solution = 3.00 M  Initial volume = 3.30 mL  Final volume = 175…

Q: Calculate solution concentration in molarity units. A student weighs out 6.49 g of FeSO4, transfers…

A:

Q: Imagine you must prepare 50 mL of a 2M HCl solution.

A: To prepare 50 ml of a 2M HCl solution:

Q: In the laboratory, a student dilutes 18.8 mL of a 11.5 M nitric acid solution to a total volume of…

A: V1 = 18.8 mL = 0.0188 L  M1 = 11.5 M  V2 = 200 mL = 0.200 L  M2 = ?

Q: In many areas, the drinking water standard for nitrate ions is 5.00 ppb. Calculate the mass, in μg,…

A:

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

A: We know, Vinitial x Sinitial = Vfinal x Sfinal Therefore, Sfinal = (Vinitial x Sinitial) / Vfinal…

Q: In the laboratory you dissolve 16.0 g of silver fluoride in a volumetric flask and add water to…

A: First, the given grams of silver fluoride is converted into moles.

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

A:

Q: Solutions of barium bromide and sodium phosphate combine to form solid barium phosphate and aqueous…

A: BaBr2(aq)→ Ba2+(aq)+ 2Br-(aq) Na3PO4(aq)→3Na+ + P O43-(aq)

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

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: Calculate the normality of 0.321 g sodium carbonate when it mixes in a 250 mL solution.

A: Given,  Mass of Sodium carbonate (Na2CO3) = 0.321 g Molat mass of Na2CO3 = 106 g/mol Mole = mass/MM…

Q: A Chemistry Student Trainee at a certain University Chemical Laboratory was instructed by the…

A: Given: Normality=0.25 NVolume=40.0 mL To find: Mass of Potassium acid phthalate

Q: What does it mean when we say that a 200-mL sample and a 400-mL sample of a solution of salt have…

A:

Q: In the laboratory you dissolve 18.4g of ammonium sulfide in a volumetric flask and add water to a…

A: The number of moles of solute to the volume of solution in liters is known as molarity. The…

Q: A 10.4 g sample of an aqueous solution of perchloric acid contains an unknown amount of the acid. If…

A:

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

A:

Q: Distinguish between a solute, a solvent and a solution.

A: The solution, solvent, and solute are related to each other, but there is a significant difference…

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

A: Let the mass of solution is 100 g Given  mass of HCl will be 36.0 g Number of moles of…