An aqueous solution that contains 425 ppm of potassium nitrate (KNO3) is being used in the lab.  What volume of this solution is needed to prepare 2.0 L of a solution that is 175 ppm in KNO3 .    step by step please

Q: What mass of cesium bromide must be added to 0.500 L of water (d = 1.00 g/mL) to produce a 0.913 m…

A: Molality is defined as the number of moles of solute dissolved per kilogram of the solvent. That is,…

Q: Three beakers are placed in a sealed container illustrated below. A B C Initially all the beakers…

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

Q: Find the concentration of a solution in ppm if 0.05g NaCl is dissolved in 1500 grams of water

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Q: Professor X mixed two solutions in a test tube and observed that the mixture was warm. He also tried…

A: Here we have to determine which following pair of liquid on mixing heat energy will be produced and…

Q: Data for Unknown NaCl Solution Unknown Number 6. Mass of 50 mL beaker 28.94 g Mass of beaker +…

A: The density of a substance is defined as the mass of the substance upon its volume. The density is…

Q: Calculate the following (Show your solution) 1. Adrian dissolved 10.0 g of sugar in 250 mL of water…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Q: A solution is prepared by dissolving 120 grams of NaCl in 450grams of water. Find the freezing and…

A: Given in the question, Mass of NaCl= 120 gm Molar mass of NaCl = 58.44 gm/mol NO. of moles of NaCl=…

Q: What is the mass percent of the methanol?

A: We have to find mass percent of the methanol

Q: Calculate how much 1500 µg/dL stock solution is needed to make 50.00 mL a 300 ug/dL solution.…

A: Dilution of the solution: When we dilute a concentrated solution with pure water, the mole of solute…

Q: Given the stock solution (0.017 M) and diluted solution (0.012M) can you help me compute with How…

A: A question based on mole concept that is to be accomplished.

Q: Calculate the boiling point of a solution of 154.09 g of ethylene glycol (C2H6O2) (MM = 62.0678)…

A: When ethylene glycol will add in water then elevation in boiling point is given below.…

Q: Diuril is a prescription drug used to treat hypertension. You are given a 2.5 g vial of Diuril, with…

A: We have to calculate the concentration of final solution.

Q: A solution contains 15 ppm of benzene. The density of the solution is 1.00 g/mL. This means that…

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Q: 1. Vinegar is a solution of acetic acid (the solute) in water (the solvent) with a solution density…

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

Q: A 2.800x10-2 M solution of glycerol (C3 H8 O3) in water is at 20.0° C. The sample was created by…

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Q: A saline solution with a mass of 5.00 × 102 g has 17.2 g of NaCl dissolved in it. What is the…

A: Given Mass of solution = 5.00 × 102 g  Mass of NaCl = 17.2 g

Q: A solution is made using 200.0 mL of methanol (density 0.7920 g/mL) and 1005.1 mL of water (density…

A: Given :  Volume of methanol = 200.0 mL  Density of methanol = 0.7920 g/mL Volume of water = 1005.1…

Q: What volume of a 0.550 M solution of potassium hydroxide can be made with 18.3 g of potassium…

A: Formula used:  Mole = weight/ Molar weight Molarity = no of Mole / volume in L  Given that  Weight…

Q: 6. Suppose you start with 100 mL of a 5% (5g/dL) sucrose solution and dilute it by adding 300 mL of…

A: The question is based on the concept of mass percentage.   amount of substance present in hundred…

Q: The label for oxacillin 2 g vial states that 11.5 mL of Sterile Water for Injection is needed to…

A: Concentration in mg/mL means 1 mg of solute is present in 1 mL of solution. For a solution of same…

Q: A sample of water is analyzed for various ions.  If the sample has the following ion concentrations:…

A: Concentration in ppm = (Weight in mg) ÷ (Volume in Litre)

Q: A chemist makes 640.mL of mercury(II) iodide HgI2 working solution by adding distilled water to…

A: When a solution of Molarity M1  and volume V1 is diluted by adding water to a final volume V2  and…

Q: The bottle labeled "concentrated hydrochloric acid" in the lab contains 15.0 mol of HCI per liter of…

A: The detail solution is given below

Q: A solution is made using 200.0 mL of methanol (density 0.7920 g/mL) and 919.1 mL of water (density…

A: Given that Volume of methanol and its density, and volume of water and its density. And asked that…

Q: Part B A student placed 19.5 g of glucose (C6 H1206) in a volumetric flask, added enough water to…

A: We will calculate the grams of glucose present in 100ml of final solution.

Q: A chemist mixes 59.3 g of acetone with 97.8 g of 2-ethyltoluene and 47.1 g of isopropenylbenzene.…

A: Mass percent is defined as the mass of the substance divided by the total mass of the mixture ,…

Q: Rimantadine HCl syrup contains 2.4 g of rimantadine HCl in each 240 mL of syrup. How many milligrams…

A: Given data :- Amount of rimantadine HCl  in 240 mL of syrup =  2.4 g

Q: How many grams of NaCl is present in 100mL of salt water and 70g of water? The salt water density is…

A: Mass of solution = volume of solution x density of solution = 100 mL x 1.08 g/mL…

Q: A student placed 15.5 g of glucose (C6H12O6) in a volumetric flask, added enough water to dissolve…

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Q: A solution is made using 200.0 mL of methanol (density 0.7920 g/mL) and 295.1 mL of water (density…

A: To calculate the mass percent of the methanol.

Q: A chemist dissolves 407. mg of pure barium hydroxide in enough water to make up 50. mL of solutio…

A: Mass of Ba(OH)2 = 407 mg Molar mass of Ba(OH)2 = 171 g/mol Moles = mass/MM   = 407/171 = 2.38 mmol…

Q: A solution is made by dissolving 3.25 grams of a substance in 180 mL of water. Calculate the density…

A: The given mass is 3.25 g. It is known that, 1 g = 10-3 kg.Therefore, the value of mass in kg is…

Q: Q3- For solution of Sodium carbonate Na2Co3 , determine: a. The Molarity and Normality of 3 L of a…

A: Molarity = number of moles of solute/Volume of                       solution in L Number of moles =…

Q: The bottle labelled “concentrated hydrochloric acid” in the lab contains 12.0 mol of HCl per liter…

A:

Q: The minimum level of mercury levels in water considered safe is 1 part per billion (ppb) by weight.…

A: The volume of water is = 8.52 L The concentration of mercury in the water sample is = 0.59 parts per…

Q: What is the mass percent of the methanol?

A: w/w % = (mass of solute / mass of solution) × 100%

Q: 134.1 mg of NaCl (MM=58.44 g) is dissolved in 102.17 L of water. What is the concentration of Na+…

A: The mass of NaCl in the solution is = 134.1 mg The volume of the solution is = 102.17 L The…

Q: 1.) You are asked to make 1500 mL of TE (1X) using TE (100X). The volume of water used is: a) 95 mL…

A: When we need to make a solution from the stock solution, a dilution factor is used. The product of…

Q: 1. A student prepares a 600.0 mL of 500.0 ppm of glucose solution. What volume of this solution (in…

A: Given,  Volume of the solution = 600.0 mL  Concentration of glucose solution in ppm = 500.0 ppm…

Q: An infant patient weighing 12 lbs needs a dose of Tylenol that is 15 mg/kg of body weight. The…

A: Given, Weight of infant patient = 12 lbs Dose of tylenol needed = 15 mg/Kg Concentration of Tylenol…

Q: Calculate the total volume of pure ethanol in just one 23.5 fl. oz. (695 mL) can of American malt…

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Q: A student wants to make a 250 mL stock solution with a concentration of 1000 mg Cu/L. The student…

A: Concentration of a solution is defined as amount of solute present per unit volume of solution.…

Q: A solution is made using 200.0 mL of methanol (density 0.792 g/mL) and 895.1 mL of water (density…

A:

Q: A chemistry student needs 20.0 g of thiophene for an experiment. She has available 1.5 kg of a 6.84%…

A: GivenConcentration of solution = 6.84 % w/wMass of available solution = 1.5 kg = 1500 gMas of…

Q: Identify the solute (s) and solvent in the following solutions. 1. coffee and sugar 2. Water and air

A: The answer for first two questions are given below.  kindly Repost the other question as separate…

Q: If a sample of water is being determined to contain 389 ppm of lead, how many g of lead does one…

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Q: Your 50 mL beaker has a mass of 5.85 g. You add 10.00 mL to the 50 mL beaker and now the total mass…

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