Calculate the molarity of a solution prepared by dissolving 3.22 g of solid LiF (25.94 g/mol) in enough water to make 0.175 L of solution.

Q: A chemist must prepare 0.525L of 9.00 M aqueous silver nitrate (AgNO,) working solution. She'll do…

A: Generally we prepare working solution from stock solution by dilution ( distilled water ) so, we…

Q: Suppose 40.8g of barium nitrate is dissolved in 350.mL of a 0.60 M aqueous solution of sodium…

A:

Q: A student makes a standard solution of potassium hydroxide by adding 14.555 g to 500.0 mL of water.…

A: Molar concentration (Molarity) = Number of moles of solute/Volume of solution in L Number of moles =…

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: If we diluted 12.5 mL of a solution to 500 mL, and its molarity is determined to be 0.125. What is…

A: ***Note:- its molarity is determined to be                                0.125 M ( unit is missed…

Q: An analytical chemist weighs out 0.047 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Molar mass of unknown monoprotic acid as shown below

Q: Find the mass % of NaCI in the solution and the molarity of NaCI in the solution!

A: Since density of solution is not given. Hence I'm assuming the density of solution to be 1 g/mL i.e…

Q: Suppose 0.581g of barium nitrate is dissolved in 200.mL of a 44.0mM aqueous solution of ammonium…

A: When barium nitrate dissolves into the solution of ammonium sulfate the precipitation of barium…

Q: An analytical chemist weighs out 0.244 g of an unknown diprotic acid into a 250 mL volumetric flask…

A:

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

A: Solution : % (w/v) = mass of solute / volume of solution × 100 36 % = mass of sucrose / 645 ml So,…

Q: Suppose 0.746 g of zinc iodide is dissolved in 150. mL of a 60.0 m M aqueous solution of potassium…

A: Zinc iodide (ZnI2) and potassium carbonate (K2CO3) are completely soluble in water.  Hence they are…

Q: How many grams of copper sulfate would you need to make 9 L of a 2 M copper sulfate solution (m.w. =…

A: Molarity = Number of moles of solute, molvolume of the solution in Lmoles =  mass in g Molecular…

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

A:

Q: Suppose 0.0891g of barium nitrate is dissolved in 100.mL of a 11.0mM aqueous solution of sodium…

A: Reaction of Barium nitrate and sodium chromate :   Ba(NO3)2 + Na2CrO4 = BaCrO4 + 2 NaNO3 On reaction…

Q: 1.44 grams of a sample of marble (impure calcium carbonate) dissolved in 40 ml of 1.0 normality (N)…

A: %Purity = Pure mass x 100/Impure mass Number of moles = Molarity x Volume (L)

Q: A chemist prepares a solution of magnesium chloride (MgCI,) by measuring out 25.5 mg of MgCl, into a…

A: Given:: mass of MgCl2 = 25.5 mg = 0.0255 g molar mass of MgCl2 =95.211 g mol-1 volume = 50 ml =…

Q: An analytical chemist weighs out 0.045 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given that: Mass of diprotic acid  = 0.045 g Volume of diprotic acid  = 250 mL Molarity of NaOH =…

Q: A solution is prepared by dissolving 20.0 g of NH3 in 255.0 g of water. The density of the resulting…

A: Given, MSolute of NH3 = 20.0 g MSolvent of water= 255.0 g MSolution  = 275.0 g DSolution  = 0.974…

Q: To prepare the 5% calcium chloride solution called for in Question 1b, how many moles of calcium…

A: Mass of calcium chloride present in 100 g of solution = 5 g The number of moles of calcium chloride…

Q: Suppose 0.985 g of copper(II) nitrate is dissolved in 200. mL Of a 76.0 m M aqueous solution of…

A: Eqution representing reaction between Copper(II) nitrate and sodium chromate: Cu(NO3)2 + Na2CrO4 →…

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

A:

Q: Suppose 1.87 g of zinc bromide is dissolved in 150. mL of a 0.10 M aqueous solution of potassium…

A: Moles of Znbr2=(1.87/225)=0.00831  Moles of Br-=2*0.00831=0.01662

Q: A student was asked to calculate the mass of NaCl (in g) needed to create 500 g of 10 % NaCl…

A: Mass of solution = 500 g  Mass Percentage = 10 %  Mass of NaCl (salt) = ?

Q: What mass of sodium chloride is required to prepare 100.0 mL of a 0.217 M NaCl solution?

A: Molarity = no. of moles/volume of solution (in L) Number of moles = Molarity × volume(L)  Molar mass…

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

A: Mass of the triprotic acid = 0.118 g Volume = 250 mL Molarity of NaOH = 0.1100 M Volume of NaOH…

Q: What volume of 5.0 M sucrose solution is needed to make 3.00 L of 0.043 M sucrose solution? _____ mL…

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

Q: An analytical chemist weighs out 0.120 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Let the diprotic acid be H2A. Given, mass of diprotic acid = 0.120 g            volume of diprotic…

Q: following happen: When you answer the question, consider how the situation affects the calculation…

A: The titrant is NaOH and titrate is KHP solution containing known mass of solid KHP. The molarity of…

Q: When answering this problem, report the answer with the appropriate number of significant figures.…

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

Q: Suppose 1.24 g of sodium chloride is dissolved in 200. mL of a 28.0 m M aqueous solution of silver…

A:

Q: 56.0 g of sodium sulfate is dissolved in water to make 425 mL of solution. Calculate the molarity of…

A: Given: The mass of sodium sulfate dissolved = 56.0 g The volume of water = 425 mL We have to…

Q: Determine the molarity of aluminum sulfate in the solution prepared by dissolving 15.00 grams of…

A: Molarity (M) of a solution is defined as the number of moles of solute dissolved per volume of the…

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

A: We need to use molarity equation to solve this question.

Q: What is the molarity of a solution that is composed of 2.5 moles of NaOH dissolved in enough water…

A: Molarity of the solution can be defined as the moles of solute dissolved per litre of solution. It…

Q: Suppose 1.73g of barium nitrate is dissolved in 100.mL of a 63.0mM aqueous solution of sodium…

A: Stoichiometry is mainly based on the calculation of moles and molarity. These two values are used to…

Q: Mass of evaporating dish 69.148 Mass of evaporating dish and KCl solution 77.885 Mass of KCl…

A: Given Values: Mass of evaporating dish is 69.148 g Mass of evaporating dish and KCl solution is…

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 chemist prepares a solution of potassium bromide    KBr    by measuring out  0.17g  of  KBr…

A: Given : Mass of KBr dissolved = 0.17 g Volume of final solution = 300 mL = 0.300 L…

Q: An aqueous solution of 2.54 M silver nitrate, AgNO3, has a density of 1.35 g/mL.The percent by mass…

A: The percent by mass of AgNO3 in the solution is calculated in step two.

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: Calculate the molarity, M, of KCl when 4.76 g KCl are dissolved in 1.50×103 mL of solution.

A: Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as…

Q: Suppose 0.247 g of nickel(II) chloride is dissolved in 150. mL of a 17.0 m M aqueous solution of…

A:

Q: Suppose 0.0387 g of sodium iodide is dissolved in 200. mL of a 14.0 m M aqueous solution of…

A: We know that Molarity = number of moles of solute / volume of the solution in L Given that mass of…

Q: you have 200.0 mL of a 0.455 M solution of sucrose. what mass of sucrose do you have

A: Given: 200.0mL of 0.455M of sucrose solution. First calculate the number of moles of sucrose present…

Q: Apollo 13 Lunar Mission You are a NASA engineer. You are the chief engineer for the Apollo 13…

A:

Q: Suppose 1.70 g of sodium chloride is dissolved in 50. mL of a 0.50 Maqueous solution of silver…

A:

Q: 1.44 grams of a sample of marble (impure calcium carbonate) dissolved in 40 ml of 1.0 normality (N)…

A: Introduction: Molarity and Normality is often used to express the concentration of the solution.…

Q: 10. Vinegar is acetic acid dissolved in water. If the store-bought vinegar is 0.50% acetic acid by…

A: Given that  0.50% acetic acid solution by volume, it means 0.50 mL of acetic acid dissolved in 100…

Q: How much water (in mL) should you add to 50.0 mL of 0.300 M H2SO4 (aq) to get a solution of 0.130 M…

A: Given: The initial volume, (Va)=50 mL The initial concentration, (Ma)=0.3 M The final volume,…