Calculate the concentration of a 650 ml solution containing 40.0 grams of dissolved Na₂S. (T/I)

Q: How many grams of ammonium chloride (NH4Cl) are there in 575 mL of a 0.400% (m/v) solution of NH4Cl?

A: Volume=575mL m/v solution=0.400%

Q: How many grams of NaOH  are there in 183 grams of an aqueous solution that is 2.65% (w/w) NaOH ?…

A: Weight concentration of a solution is expressed as % w/w. Like before, this stands for weight per…

Q: a)How many milligrams of mercury(I) chloride (Hg2Cl2) must be present in a 288 mL sample of water to…

A: Given: volume of solvent (water)=288 mL ppm (m/v) of Hg2Cl2 = 4.40 ppm To find: mass of solute…

Q: Q2/ The molarity and Normality for 500 ml of ?1% NazCO3

A: Molarity is the number of moles of solute present in one liter of solution. It is given by M.…

Q: grams of sa

A:

Q: How many grams of Na2S2O3 are needed to prepare 87.0 mL of a 5.00 %(m/v) Na2S2O3 solution?

A: The (m/v) concentration of a solution is calculated by using the following equation: m/v…

Q: Q1/ The molarity and Normality for 250 ml of ?1.05% NaHCO3 0.05, 0.05 O 0.1,0.05 O 0.05,0.1 O

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Q: How many grams of ammonium chloride (NH4Cl) are there in 575 mL of a 0.400% (m/v) solution of NH4Cl?

A: Given: Volume of solution = 575 mL Percentage composition of solution = 0.400%(m/v)

Q: How many grams of Na2S2O3 are needed to prepare 87.0 mL of a 5.00 %(m/v) Na2S2O3solution?

A: Percentage mass by volume is defined as moles of solute per 100 mL of the solution and it can be…

Q: Concentrated HI is 47.0%/HI by mass and has a density of 1.50 g/mol. (A) how many grams of…

A: A) 0.2449 g of concentrated HI is required. B) 0.1633 mL of concentrated HI is required.

Q: A chemist added 40 mL of pure acetic acid to 100 mL of 20% (v/v) solution of acetic acid in water.…

A:

Q: What is the concentration in v/v% for 250. mL of solution contains 22.6 mL of acetone. (3 SF)

A: Volume of acetone = 22.6 ml volume of solution = 250 ml %(v/v) = volume of acetone / volume of…

Q: 10. What is the initial volume, in mL, needed to prepare each of the following solutions? a. 250 ml…

A: For dilution of solution,  apply   C1V1 = C2V2

Q: How many mL of a solution whose % (v/v) = 45% contain 30.0 mL of solute?

A: We have to calculate volume (in mL) of a solution whose % (v/v) = 45% contain 30.0 mL of solute.

Q: How many grams of sodium hydroxide (NaOH) are required to make 500.0 mL of a 15.4 % (m/v) sodium…

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Q: The number of mL of alcohol in 275 mL of 11.5% (v/v) solution

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Q: A concentrated phosphoric acid solution is 85.5%H 3 PO 4 by mass and has a density of 1.69g / m * L…

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Q: An aqueous solution of acetone is made by transfering 3.18 mL of liquid acetone to a 100. mL…

A:

Q: ) A sample with mass of 2.6g contains 3.6 µg of zinc; calculate the concentration of zinc in ppm? 8)…

A: Q7)                                                         Mass of sample = 2.6 g…

Q: What is the %v/v of 10.0 mL of CH3OH (methanol) dissolved in water to a volume of 40.0 mL?

A: Given, Volume of CH3OH = 10 mL, Volume of…

Q: How many mL of0.75% (w/v) KCl (potassium chloride) solution can be made from 10 g of KCl?

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Q: 3. Which of the following statement/s is/are correct? 1. 3.00 N H2SO4 is equivalent to 6.00M H2SO4.…

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Q: How many mL of sodium hydroxide (NaOH) are there in 435 mL of a 6.40% (v/v) solution of NaOH?

A: Since % (v/v) is defined as the % of volume of solute per 100 ml of solution  i.e % (v/v) = volume…

Q: Wh‎at is Molarity of a 5.0‎0% (v/v) ac‎etic acid ? De‎nsity of pure ace‎tic acid is 1.05 g/mL. MM…

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Q: What volume of a 4.00 % (m/v) CaCl2 solution is needed to obtain 5.00 g of CaCl2?

A: The mass by volume percent of CaCl2 solution is 4.00 %.The mass of CaCl2 is 5.00 g.To find the…

Q: A drink sold in a health food store contains 2.10% (w/v) of vitamin C. What volume would you have to…

A:

Q: 1. How many grams of glucose would you need to make 500 ml of an 8% solution? 2. What is the percent…

A: Answer: These questions are based on (w/v)% concentration of solute in solution where volume of…

Q: Potassium permanganate, KMnO4, is both effective at treating water and has medicinal uses. A certain…

A: We have to calculate the molar concentration of Potassium permanganate .

Q: Prepare the following solutions: (H2SO4: sp.gr.= 1.84 , %= 98%)…

A: We are given different concentrations of measured amount of a compound that has to be made in the…

Q: What mass of LiF in grams is needed to prepare 1,500 g of 0.75% (m/m) LiF solution?

A: Given information,    Mass of solution = 1500 g    0.75% (m/m) LiF solution

Q: 47. A solution is made by dissolving 30.0 g of KBr in 1.00 L of water. What is the new freezing…

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Q: Trail 1 volume vinegar, mL 4.00 mL g HC2H3O2 in sample taken 60.10 % HC2H3O2 (W/V) ?

A: Since % (w/V) is defined as  % (w/V)  = mass of solute taken in g X 100 / volume of solution taken…

Q: How many L of a 7.8% (m/v) sample of salt water contain 1.8 g of salt?

A: Mass of salt = 1.8 g  % (m/V) = 7.8%  Volume of salt = ?

Q: An 80-proff brandy is a 40.0% (v/v) ethanol solution. The "proof" is twice the percent concentration…

A: Given:Volume of brandy =750mLPercentage of ethanol solution = 40.0% (v/v)The volume of ethanol in…

Q: How much mL of Acetone is needed to make 100mL of an aqueous 30% (v/v) Acetone solution? How much mL…

A: Given,  Volume of the solution = 100 mL  Volume percent of acetone = 30% How much mL of Acetone is…

Q: How many grams of Mg(OH)2 is necessary to prepare 500mL of 0.5M Mg (OH)2 solution? FW of Mg(OH)2 =58…

A: Given,  Volume of solution = 500 mL = 500 mL × ( 1 L / 1000 mL ) = 0.500 L  molarity of Mg(OH)2 =…

Q: Rx: Phenylephrine hydrochloride 0.85% w/v Sodium chloride qs Purified water qs 90 mL Make isotonic…

A: The objective of the question is to calculate the amount of sodium chloride needed to make a…

Q: 3. Which of the following statement/s is/are correct? I. 6.00 N H2CO3 is equivalent to 3.00M H2CO3.…

A: Normality = Molarity * No of H+ ions Molarity = No of moles / Volume (L) No of moles = Mass / Molar…

Q: How many milligrams of mercury(I) chloride (Hg2Cl2) must be present in a 325 mL sample of water to…

A:

Q: How many grams of NaBr are needed to prepare 27.5 g of 7.46% (w/w) NaBr solution in water? How many…

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Q: How many grams of NaNO3must be combined with water to prepare 250.0 mL of a 0.75 % (m/v) solution?

A: Volume of solution = 250 mL  Concentration (m/v)% = 0.75%  Here, concentration term is m/v%   m/v% =…

Q: How many grams of Na2S2O3 are needed to prepare 87.0 mL of a 5.00 %(m/v) Na2S2O3solution?

A:

Q: What is the volume percent (v/v) of Br2 in a solution prepared by dissolving 12 mL of liquid bromine…

A: The volume percent of a solution can be calculated using equation (1). In this equation, Vs is the…

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.