Prepare 3L    of    a    22%    (v/v)    bleach    solution (calculate    without     rounding).    Discuss    the    effect    of    rounding    the    volume    of    bleach    to    1     significant    digit – what    would    be    the    effect    on    the    concentration?

Q: Calculate the mass/volume percent (m/v) of 14.0 g NaCl in 46.0 mL of solution. Express your answer…

A: m/v = (mass of solute ÷ volume of solution) × 100

Q: Order the following in terms of concentration, with 1 being the least concentrated and 4 being the…

A: A) We have given the No. of moles = 0.7 mole Volume = 300 mL = 0.3 L    Therefore,      Molarity =…

Q: one of the most common water-based antifreeze solutions used in cooling systems is a mixture of…

A: The solution of 7.50% V/V contain 7.5 mL of ethylene glycol and 92.5 mL of water. To make the volume…

Q: A 10.5%(w/w) NiCl2 solution has a density of 1.149 g/mL. What is the mass in grams of Ni2+ contained…

A: Given : 10.5%(w/w) means 10.5 grams of NiCl2 (solute) present in 100 grams of solution. Mass of 1 L…

Q: How do you make a 10x stock solution for 10mM NaH2PO4 (monobasics). Show what should be the volume…

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

Q: Pure water boils at 100.0  ºC. A solution made by dissolving sugar (C12H22O11) in 484.9  g of water…

A:

Q: A student peeled the skins from grapes, exposing cells with membranes that are only permeable to…

A: A solution that contains higher solute concentration is termed hypertonic. When a system or a cell…

Q: Calculations: Determine the molarities of Solutions 1, 2, 3 and 4. Apply the rules of significant…

A: Solution: By defination, molarity is nothing but the ratio of moles of solute in given liter of the…

Q: 0.2356 g sample containing only NaCI (58.44 g/mol) and BaCl (208.23) g/mol) yielded 0.4637 g of…

A: The first question involves determining the percent composition of a sample that contains two…

Q: A 3.0-g sample of a nonelectrolyte was isolated from beef fat. The molecular weight of the compound…

A: Given data: Normal boiling point of ethyl alcohol (Tbo) = 78.41 ℃ Kb of ethyl alcohol = 1.22 ℃/m…

Q: In order to prepare 10% 100 mL of HCl solution from 37% HCl solution, how many mL of concentrated…

A: For Concentrated HCl solution : Concentration, C1 = 37 % Volume, V1 =? For New HCl solution :…

Q: Density of toluene- 0.86 g/ml Calculate the volume of toluene needed to make 50 mL of a 780 g/mL…

A:

Q: How much of K204 should be weighed to prepare 1.4 L of K2SO4 solution with the K + concentration of…

A: Givenconcentration of K+ ion = 3.5 mg/mLvolume of K2SO4 prepared = 1.4 LCalculate mass of K2SO4…

Q: The solubility of phthalic acid in water is 0.54 g/100 mL at 14°C and 18 g/100 mL at 99°C.What is…

A: Given : Solubility of phthalic acid in hot water i.e at 99°C = 18 g/100 mL water = 0.18 g/mL water.…

Q: a.) Calculate the freezing point and boiling point of the solution when you add 1.00 kg of ethylene…

A: Given data:  Mass of ethylene glycol = 1.00 kg Mass of water = 4.450 kg K b = 0.512C°/m K f =…

Q: Using the data below, determine the solution that has the lowest density. Data of Various Solutions…

A: The relation between mass density and volume is as follows: Density = mass/ Volume     ......... (1)…

Q: Calculate the percent mass per volume, % (m/v), of a dextrose solution containing 7.00 g of dextrose…

A: A dextrose solution containing 7.00 g of dextrose in 3.00 × 102 mL of solution .We have to…

Q: Calculate the volume in mL of 100% alcohol required to make 0.75 L of 70% (v/v) solution of alcohol…

A:

Q: What is the boiling point, in °C,

A:

Q: Can u answer this 2 questions please and show your complete solution please thank you 5. A water…

A: Given :  5. Concentration of chloroform = 9.5 ppb  Volume of water = 250 ml  6.  Concentration of…

Q: 125 ml solution contains 15.6 % (v/v) of benzene. What volume of benzene is in the solution? 1.…

A: The volume of the solution is = 125 mL The concentration of the solution is = 15.6 % (v/v) The…

Q: Module 2b: How much NaOH (in g) will * be needed to form a 1000L 100 ppm solution? 10 O 100 O 1000…

A: Given, Note: 1 ppm = 1 mg/L Concentration of the solution = 100 ppm = 100 mg/L Volume of the…

Q: 1. What initial volume of a 10x SDS stock solution would you use to make a 1x solution with a final…

A: Two questions based on concentration terms that are to be accomplished.

Q: 3. An important conversion factor that you must memorize and use in this course is: 1 mg/L = 8.34…

A:

Q: You need to analyze an aqueous alcohol solution in the laboratory. You separated 367 mL of this…

A: The solution is as follows:

Q: What volume of ethylene glycol (C2H5 O2), a nonelectolyte, must be added to 18.0L water to produce…

A: Given that:        Volume of solvent (H2O) = 18.0 L         density of ethylene Glycol = 1.11g/cm3…

Q: What is the m/m % concentration of a 326-gram solution of NaOH that contained 75 grams of NaOH In…

A: Given, Density of water = 1.0 g/mL Mass of solution = 326 g Mass of NaOH = 75 g m/m % concentration…

Q: A solution contains 11 ppb of toluene. This means that ___.

A: The ppb stands for parts per billion.  It is a unit used to measure a very small amount of quantity.…

Q: Solution Volume of Solute Mass of Solute Volume of Water (if liquid) to be Added A. 5% by volume,…

A: Concentration of a solute can be expressed in terms of volume by volume percentage. Write the…

Q: f. Make 750ml of a 250mM NaCl, 25mM Tris solution. C₁=251 CABO VA 230 g. Make 50ml of a 15g/L NaOH…

A: The objective of the question is to prepare two solutions: a 750ml solution of 250mM NaCl and 25mM…

Q: calculate the composition - mass/mass%  of 46.8g Kcl per (6.00x10^2 ml solution (d=1.14g/ml) ___…

A: % mass/mass = 100 x Mass of solute/Mass of solution Mass solution = Volume x density Given that:…

Q: Calculate the volumes, in mL, of: ethanol, C2H5OH (ρ= 0.789 g/mL), that must be dissolved in water…

A: We have to calculate the volume of ethanol, C2H5OH (ρ= 0.789 g/mL), that must be dissolved in water…

Q: Percent by volume (% v/v) of a substance is a term that represents the concentration of the…

A: In this case, we can use the equation of dilution. That is, C1V1 = C2V2 Where, C1 = concentration of…

Q: Calculate the final concentration of each of the following. A 53.5 mL sample of an 8.8 % (m/v) KBr…

A: The final concentration of the 8.8 % (m/v) KBr solution is to be calculated.

Q: a.) Calculate the freezing point and boiling point of the solution when you add 1.00 kg of ethylene…

A: The ratio of moles of solute to the mass of solvent in kg is known as molarity.

Q: Calculate the percent mass per volume, % (m/v), of a dextrose solution containing 8.00 g8.00 g of…

A: Mass per volume percentage concentration is defined as the mass of the substance in grams dissolved…