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: The amount of sodium citrate in 60 mL of 22.5% w/v sodium citrate solution is _______ g.

A:

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: A 25.0 mL sample of a 30.0%(v/v) HF solution has a density of 1.101 g/mL. The sample is diluted to a…

A:

Q: What is the %m/m concentration of a solution made by adding 24.493 g of glucose to 360 g of water?…

A:

Q: Determine the volume of 53.2% (m/v) NaCl stock solution required to prepare 856 mL of a 2.25 M NaCl…

A: The concentration of the stock solution is = 53.2 % (m/v) The volume of the dilute solution = 856 mL…

Q: 7. s) Consider a 1.717 M solution of propanol (C3H₂OH) dissolved in water at 70 °C. The vapor…

A: Osmotic pressure is related to the molar concentration by the given formula: π = MRTπ is the osmotic…

Q: What is the molarity of 10.0 mL of 75% v/v ethanol

A: We have to find Molarity if 10 mL  of 75% v/v ethanol.  This means that in a 10ml solution, 7.5mL…

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: 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: When 4.86 g of a nonelectrolyte solute is dissolved in water to make 445 mL of solution at 29 °C,…

A: Since there are multiple sub parts in this question and it is not mentioned that which one has to be…

Q: 0.4 mL of a solute is dissolved in 99.6 mL of solvent. What is the ratio and concentration in %v/v?

A: Volume of solute = 0.4 mL  Volume of solvent = 99.6 mL  Volume of solution = solvent + solute…

Q: What is the mass (in g) of ethylene glycol, a non-electrolyte, needed to add to 4.21 L of water to…

A:

Q: A certain lonic compound. X has a solubility in water of 0.121 at 20. C. Calculate the mass of X…

A: Use the volume and the solubility of a compound to calculate the mass of X required.

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

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: 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: Calculate the volume percent of solute in each of the solutions. A solution made by adding 20.1 mL…

A: Number 1:Given:volume of solute = 20.1 mlvolume of solution = 485 mlFormula:the volume percentage of…

Q: When 2.35 g of a nonelectrolyte solute is dissolved in water to make 305 mL of solution at 22 °C,…

A:

Q: An aqueous solution was prepared by mixing 50.0 mL of CH3OH (MM = 32.0) and 93.1 mL of water.  Given…

A: The volume of  = 50.0 mLThe volume of water = 93.1 mLThe %v/v of CH3OH present in this solution = ?…

Q: A student is asked to make up 100.0 g of a 26 % (w/w) sucrose solution. The students weighted out 26…

A:

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: Which colligative property of solutions listed below is correctly stated? 1. The freezing point of a…

A: we need to identify the true statements based on colligative properties of solutions

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

A:

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

A:

Q: Solutions & Colligative Properties 1. The vapor pressure of water at 20°C is 17.5 torr. What is the…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 36. How many grams of a drug substance should be added to 1800 mL of water to make a 10% (w/w)…

A:

Q: Concentrated sulfuric acid has a density of 1.71g/cm^3 and is 77.0% by weight H2SO4. What is the…

A:

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: 1. Find the mass percent of CaCl2 (110.98 g/mol) in a solution whose molarity is 1.45 M and whose…

A: given that,Molarity = 1.45 M = 1.45 mol/ 1L density = 1.12 g/mLvolume of the solution = 1L = 1000mL…

Q: What is the concentration in molarity of a solution which is 15.35 %m/v propylene glycol (MM = 76.09…

A:

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: 1. What is the molarity of the solution that contains 0.050 g of aluminum nitride AIN in 22.5 L of…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

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: The boiling point of pure water (MM = 18.016 g/mol) is 100°C.  What is the boiling point of a…

A: Answer:- This question is answered by using the simple concept of elevation in the boiling point…

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: How many mL of H2O2 are needed to make 500 mL of 4.50% v/v solution by volume of H2O2?

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