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: How many grams of solute are contained in each solution? a. 520 mL of a 0.23 M NaNO3 solution: g…

A: Molarity = number of moles of solute/volume of solution (L)  Number of moles = molarity × Volume (L)…

Q: 90 NANO 80 70 Pb(NO)2 KNOS 60 CaC 50 O 40 Nacl 30 KCI 20 KCIOS 10 Ce,(SO 0 10 20 30 40 50 60 70 80…

A: We have to find out the salt (solute) which is least soluble at 0℃

Q: (a) A solution is made by dissolving 13.5 g of glucose (C6H12O6) in 0.100 kg of water. What is the…

A: a) Since mass percentage is defined as the percentage of solute in the solution  i.e % m/m = mass of…

Q: 2. What mass of NaCl is needed to prepare 30.0% by mass of 500g solution of NaCl? Solution: 30.0% by…

A:

Q: f 33.4 g of Mg(C2H3O2)2 is dissolved in water to make 640 g solution. Calculate the value of…

A: From data, mass of solute = 33.4 g  mass of solution = 640 g As both quantities are given in terms…

Q: 3. A solution of NaCl in 250 grams of water boils at 102. 04 0 C (NaCl=58 g/mole) a. What is the…

A: Given data contains, Mass of solvent=250 g=0.250 kg Molar mass of solute is 58 g/mol The boiling…

Q: What is the concentration of a solution formed by diluting 210mL of 8.6M NaOH solutions to 0.81L ?…

A:

Q: Silver nitrate solutions are often used to plate silver onto other metals. What is the maximum…

A: Mass percentage is an important method to find out the concentration of a solution. It is expressed…

Q: 130.0 grams of NaNO3 is dissolved in water to make a 5.00 L solution. What is the molarity of the…

A: Given values are, Mass=130.0g Volume of solution =5.00L Molar mass = 85.0g/mol

Q: 50.0 grams of KCI is dissolved in water to make a 4.00 L solution. What is the molarity of the…

A: .

Q: When dissolved in 0.500 L of water, which of the following would produce a solution with the…

A: The Given data in the question

Q: 1. If 7.5 g. of NaNO3 is dissolved in 85 ml. of water, what is the % concentration of NaNO3 in the…

A:

Q: Which of the folowing statement is false when a solution is prepared by adding 10.4 g of potassium…

A: In this question, we have to choose the statement which is given false.

Q: % concentration

A:

Q: By referring to Figure 13.15, determine whether the additionof 40.0 g of each of the following ionic…

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

Q: How many grams of solid sodium chloride NaCl are needed to prepare 525 mL of a 0.645 M aqueous NaCl…

A: Given: The volume of solution, (V) = 525 mL = 0.525 L. The molar concentration of the NaCl solution,…

Q: 2.50  L solution contains 5.00g of NaOH(M.W 40.00g/mol). is the molarity (M) of sodium hydroxide in…

A:

Q: A solution is 2.25% by weight NaHCO3. How many grams of NaHCO3  are in 150.0 g of solution? A)…

A: SOLUTION: Step 1: The weight percentage of a solution can be calculated as follows.

Q: . What is the molarity of a solution made by dissolving 3.4g of KMnO4 in 5.2 liters of water? 2.…

A: Molarity or molar concentration of any substance in solution:    Molarity of any solute in a…

Q: A typical seawater contains 2.7 g of salt per deciliter. What is the molarity of Nacl in the ocean?

A: Given  Mass of NaCl            = 2.7 gram  Volume of solution  = 1 Decilitre…

Q: 1a. What is the molarity of 5.0 L of a solution containing 200. g of dissolved CaCO,? 1b. How many…

A:

Q: ution is formed by dissolving 25.0 g of NaC is the mass of solution? 25.0 g 750.0g 775.0 g

A: Given, Mass of solute (NaCl) = 25.0 g Mass of solvent (H2O ) = 750 g Mass of solution = mass of…

Q: 1. What is the molarity of a bleach solution containing 12.5 grams of NaOCI per litter of bleach?…

A:

Q: Three separate solutions are prepared as follows at 20°C: Solution 1: 20 g of KNO3 is added to 100 g…

A: We are given a solubility curve as follows: 20 g of each of the given salts is dissolved in 100 g…

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: If 8.63 g of CuNO3 is dissolved in water to make a 0.350 M solution, what is the volume of the…

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

Q: Solution A is prepared by dissolving 5.0 g of KCl in 95.0 g of water.  Solution B is prepared by…

A: Given :-  Solution A  Mass of KCl = 5.0 g  Mass of water = 95.0 g  Solution B  Mass of KCl = 10.0 g…

Q: What mass of water, in grams, is needed to prepare a 10.00% m/m solution of CaCl2 from a 5.75 g mass…

A:

Q: 4. Calculate the molarity of NażS2O3 if 41.22 ml is equivalent to 37.84 ml l2 solution, 35.62 ml of…

A:

Q: The concentration of 112 mL of an aqueous solution of KNO2 is 3.49 M. How many grams of KNO2 are…

A: Given, volume of Solution = 112 ml 1000 mL = 1 L  112mL = 0.112 L Molarity = 3.49 M Molar mass KNO2…

Q: 9) what is the molarity of 518 mL of solution that contains

A: Mass of Na2S = 57.4 g  Volume of Solution = 518 mL  Molarity = ?

Q: 8. Concentrated phosphoric acid is 90% H3PO4 by mass and the remaining mass is water. The molarity…

A: Molarity specifies the solute moles per litre (L) solution. Its S.I unit is moles/litre (M).…

Q: (PART A) Calculate the mass percent of a solution containing 15.0 gg of Na2SO4Na2SO4 and 83.5 gg of…

A: Percent mass = 100 x Mass of solute/Mass of solution Molarity = Number of moles of solute/Volume of…

Q: What mass (g) of CaCl2 are needed to make 1L of a 3M CaCl2 solution? 332.94g 9g 100.52g 87.5g

A: molarity is defined as no of moles of solute devided by volume of solution in liter.

Q: How many mL of K2SO3 solution are needed to get 3.13 g from a 0.359 M K2SO3 solution?   What is the…

A:

Q: What is the molarity of NaOH in a solution containing 40.0g of NaOH in 750. mL of solution? 1) 53.3…

A: Given Mass of NaOH = 40g Volume of solution = 750 ml Standard value  Molar mass of NaOH = 40 g/mol

Q: Typical seawater contains 2.7 g of salt (sodium chloride, NaCl) per deciliter (5 dL 5 0.1 L). What…

A:

Q: 5. Calculate the molarities of the following solutions. a. 87.2 g of NazSO4 in enough water to make…

A:

Q: 1. 23.5g of NaCl is dissolved in enough water to make . 683 L of solution.

A: Molarity is an important method to find out the concentration of a solution. It is denoted by the…

Q: Calculate the number of moles of sodium hydroxide in 50.0 mL of 2.50 mol/L NaOH.

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: If 20.1408 g of KNO, (MM = 101.10 g/mol) is dissolved in 15.06 mL of water at 66.8°C (Density(H,O)…

A: Answer: Solubility of a compound in water at a particular temperature is the maximum amount of…

Q: A 1.67-L bottle of vinegar contains 7.0% (w/v) of acetic acid (C2H,O2, molar mass 60.05 g/mol) in…

A:

Q: A 100.0-mL solution containing 0.500 moles of NaCl is mixed with 200.0 mL of water. What is the…

A: Increasing the amount of solvent reduces the concentration of a solution. Dilution is the addition…

Q: What is the molarity of 10.0 g NaOH in a 1.00 L NaOH solution? a) 10.0M

A: Given Mass of NaOH = 10.0 g Molar mass of NaOH= 40 g/mol Volume of solution = 1.0 L To find out…

Q: 2. A saline solution has 0.9g of NaCl /100ml. What is the molarity of this solution? 3. What is the…

A: Find the solution below:

Q: A solution is prepared by dissolving 5.00 g of NaPH in 750.0 mL of water.   Determine the molar…

A: Part a: Given that, 5.0 g of NaOH is added to 750.0 mL of water. The molar mass of NaOH is 40 g/mol.…

Q: What is the molarity of the solution formed by mixing 2 mol of sodium hydroxide with enough water to…

A: Given: Moles of sodium hydroxide=  2 mol   The volume of solution = 1.14 L   Molarity is defined as…

Q: Calculate the mass percent of solute in the following solutions a) 6.50 g of NaCl dissolved in a…

A: