3. A teardrop of 0.5 mL contains 5.0 mg NaCl. What is the molarity of the NaCl in the teardrop? 4. If a 3.18 g BaCl2 is dissolved in enough solvent to make 500.0 mL of solution, what is the molarity? 5. A particular toothpaste contains 0.17 g NaF in 75 mL toothpaste. What are the percent w/v and the molarity of NaF in the toothpaste?

Q: 11) The density of an 15.0 % ethanol (C2HSOH) solution is 0.984 g/mL. a) Calculate the molarity of…

A: Given,  Density of ethanol = 0.984 g/mL  Mass percentage of ethanol = 15.0%  a). Calculate the…

Q: What is the% v / v of a solution

A: Given :-  volume of solute = 240 mL  volume of sovent = 780 mL  To calculate :-  % v / v of…

Q: A 150.0 mL solution is made by dissolving 16.0 g of NaF in water and has a density of 0.89 g/mL.…

A:

Q: 7. According to the EPA, when the concentration of lead in tap water reaches 15 ppb, certain…

A:

Q: 1. Suppose you had 58.44 g of NaCl and you dissolved it in exactly 2.00 L of water. What would be…

A: Here we are required to find the molarity of the given  solution

Q: The molarity (M) of an aqueous solution containing 6.28 g of sucrose (C12H22O11) in 480 mL of…

A: Molarity can be defined as the number of moles of solute present in one liter of solution.  In other…

Q: Calculate the mass percent (m/m) of 25.0 g KCl dissolved in 125 g of water?

A: Mathematically,Mass percentage of an substance is equal to the ratio of mass of given substance to…

Q: The number of grams of  CaCl2 in 70.0 mL of 2.60% (w/v) CaCl2 solution

A:

Q: 5. A solution is prepared by combining 75 g of glucose (C,H12O6) with 200 g of H2O. The solution has…

A:

Q: For what reason is the solubility of gaseous ammonia (NH3) significantly higher than that of…

A: Solubility can be defined as the ability of a liquid, gas or a solid substance known as solute to…

Q: 25. What is the molality of a solution of 33.0 g of propanol (CH3CH₂CH2OH) in 152 mL water, if the…

A:

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: What is the molality of KBr (m.m. = 119.0 g/mol) when 25 g KBr dissolved to make 100 g solution? O…

A:

Q: Parts per million (ppm) is used with very low concentrations in solution. The formula in getting…

A: The question is based on the concept of solutions. PPM is a method of expressing concentration of…

Q: When 5.0 g of sodium phosphate dissolves in 50.0 mL of water, what is the boiling point of the…

A:

Q: Hexane (C6H14) is used as an organic solvent according to US EPA, there is no information its…

A:

Q: A 500 mL can of beer contains 21.5 mL of ethanol. Calculate the concentration of ethanol in beer as…

A: Given, volume of ethanol = 21.5 mL Volume of beer = 500 mL  V/V % of ethanol in beer  = ?

Q: How much Sr(OH);•8H;0 is needed to prepare 250.0 ml of solution in which (OH'] = 0.100 M? 3.32 g b.…

A:

Q: What is the concentration in % (w/v) of a solution if 150. mL of the solution contains 0.96 g of…

A: Given that, Mass of NaCl (solute) = 0.96 g Volume of solution = 150 mL

Q: 1.If 521.0 grams of water (H2O MM 18) were mixed with 24.0 grams of NaCl (MM 58) what would be: a.…

A:

Q: 2. What is the normality of a solution of 250 g MgC12 dissolved in 1 L of water? (MW= 95.21g/mol)

A: No. of moles of gram equivalents of solute present in 1 L of solution is called Normality (N) N =…

Q: 1 n our candy making lab, we made a solution of 614 grams of sugar (CHO) dissolved in water that…

A:

Q: If 16.3 g of glycerol (C3H8O3) is dissolved in 1500.0 mL of solution, what is the molarity (M)? a.…

A: To calculate the molarity (M) of a solution, we need to determine the number of moles of solute…

Q: Saline solution contains 0.92% (w/v) NaCl in water. How many grams of NaCl are contained in 533 mL…

A: Given, Percentage of NaCl solution = 0.92%  Volume of the solution = 533 mL mass of NaCl = ?

Q: 47.5 mL of ethyl alcohol in 236.9 mL

A: The v/v % (volume by volume percentage) concentration of ethyl alcohol is 20.0 %

Q: An ammonium sulphate solution with a concentration of 29% (w/v) was prepared. The molar mass of…

A: We have to predict the molar concentration of the solution.

Q: 12. A solution is prepared by dissolving 7.8 g of ethylene glycol (HOCH₂CH₂OH, 62.07g/mol) in 50.0 g…

A:

Q: A solution containing 41.684 g of LiF (M.M. = 25.939 g/mol) per liter has a density of l1.391 g/mL.…

A: Molarity is defined as the moles of solute per litre of the solution. M=nV..........(1) where M:…

Q: What is the mass percent of a solution made by adding 75.3 grams of KCl to 500 mL of water? (The…

A: Given: Mass of KCl = 75.3 g Volume of water =  500 mL Density of water = 1.00 g/mL

Q: What is the molarity of a solution prepared using the given amount of solute and total volume of…

A: Molarity is the concentration term which is defined as the number of moles of the solute to the…

Q: How many grams of CaCl2are needed to make 314.0 g of a solution that is 30.0% w/w calcium chloride…

A: Dear student since you have posted multiple questions, As per BARTLEBY QnA guidelines We are allowed…

Q: when 15.00 mL of water is added to 5.25 mL of LiCl, what is the volume percent concentration (v/v%)

A: Volume by volume percentage (v/v%) is the volume of the any component (Solute or Solvent) in total…

Q: When 5.0 g of sodium phosphate dissolves in 50.0 mL of water, what is the boiling point of the…

A: We will calculate molality first, then find boiling point of solution using colligative property.

Q: 575 mL sample of Pb(NO3)2 aqueous solution has a mass of 575.78 g. After the Pb(NO3)2 solution is…

A: We know that  Molarity (M) : Molarity is defined as the moles of solute per volume of solution (L)…

Q: 9 g of ethyl alcohol is dissolved in 96 ml of water (density = 1.00 g/mL at 20 oC).  What is the %…

A: Mass of ethyl alcohol added =9 g Volume of water = 96 ml density of water = 1.00 g/ml So, mass of 96…

Q: Part B. What is the molality (m) of the solution resulting when 36.5 grams of hydrochloric acid…

A: Molality is the ratio of moles of solute to mass of solvent in Kilogram.

Q: How many grams of NaBr would be required to make 250 mL of a 0.2 M solution?

A: You have asked multiple type questions, we will solve only first  questions for you. If you want any…

Q: following

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

Q: 1. A solution containing 1.0% (w/v) MgCl2 has a lower concentration compared to a 1.5M MgCl2…

A:

Q: Q3:- A. If 2.9 x 10³ g of Ca (OH) 2 is needed to saturate 250 mL of solution, what is the Ksp?…

A:

Q: A dilute solution of NaCl has a weight per volume percentage of 15% (w/v). What mass of NaCl pellets…

A: We have to calculate mass of NaCl pellets needed to prepare the solution

Q: What is the percent by mass of 50 grams of NaCl dissolved in 50 grams of water ? O1% 2 % 100 % 50%

A:

Q: 1. An NaCl solution is prepared using 30 g of NaCl and 500 g of water. What is the concentration of…

A:

Q: %3D What mass of NAOCOCH3 is needed to make 20.0 mL of a 1.00 M solution? Molarity (M) = moles /…

A: