Round-off your answers to four decimal places. A normal solution of HCl was prepared by diluting 39.5g of HCl to make a 1 L solution. What is the N of the solution? Answer = _N

Q: The Environmental Protection Agency limit for lead in drinking water is 15 ppb. A 5.090 kg solution…

A: Consider the given information is as follows; Mass of solution = 5.090 kg = 5.090×1000=5090 g Mass…

Q: 29. Calculate the volume (in L) of a solution of 0.664 M BaCl2 needed to obtain 3.996 moles of…

A: Molarity of BaCl2 solution = 0.664 M  Number of moles of BaCl2 = 3.996 moles  Volume of solution in…

Q: Consider a 0.250 M solution of KCl (molar mass= 74.55 g/mol) How many moles of KCI are in 168 ml of…

A: The moles of KCl in the solution is = 0.041 mol

Q: Determine the mass of NaCI in grams to make the following solution: 5% NaCI in a total volume of 168…

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Q: 1. For each of the following mixtures, explain whether it is a solution (homogeneous mixture) or a…

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Q: For Exercises 6–10, calculate the quantities needed to prepare each liquid compound. Round your…

A: The mass of potassium chloride (solute) dissolved in 100 mL of the solution is known as the percent…

Q: A 4.0 L sample of a 5.7 M NaCl solution is diluted to 65 L. Part A What is the molarity of the…

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Q: Be sure to answer all parts. How would you prepare 275 mL of a 0.926 M NaOH solution, starting with…

A: Given information: Concentration of stock solution = 5.26 M Concentration of NaOH = 0.926 M Volume…

Q: PARTS PER MILLION Solve the given problem and provide a solution. 1. An aqueous solution has 0.0070…

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Q: Part A: Determination of Densities of Pure Water and Calcium Chloride Solutions (1) Temperature of…

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Q: You need to prepare 363 mL of a 8.00 × 10-2 M CaNO3 solution from a 12.00 M stock solution. How much…

A: The given problem can be solved by using the formula given below as; M1 V1 = M2 V2…

Q: 6. A glass of salt water (NaCl + H₂O) has a density of 1.11 g mL-¹ and a molarity of 0.280 M. What…

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Q: A solution is prepared by mixing 10.0 g of water and 10.0 g of methanol. The final volume of the…

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Q: In the lab, Stock bottles of concentrated solutions can be diluted to make solutions for use with a…

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Q: A solution contains 6.9 x 10-6 g of  Br- per kilogram of solution.  What is this in ppb?  Answer to…

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Q: how did you get the dilution factor? is the dilution factor 9? or 91

A: To answer: how to get the dilution factor? is the dilution factor 9? or 91?

Q: 24.6 g of isopropyl alcohol is added to 342.2 mL of water. find the concentration of this solution…

A: Given that : Mass of isopropyl alcohol = 24.6 g, densiry of isopropyl alcohol = 0.786 g/mL Volume of…

Q: Constants I Perm 1.00 g KCl in 95.0 mL of solution Express your answer with the appropriate units.…

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Q: Hello! I'm having issue with the question below. I'm thinking the concentration of NaOH would go…

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Q: water should be added

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Q: volume

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Q: Solute amount Solution volume Solution Concentration (Liters) (Molarity) (moles) 0.500 0.500 1.000…

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Q: as 25.1 mM (millimolar) solution was made using 0.267 L of a 321 mM solution. what is the final…

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Q: Casey needs to prepare 100.0 mL of a 0.50 M NaOH solution from a 2.0 M NaOH solution. How should…

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Q: 0.502L of a 2.2 M KCl solution? Express answer in 2 significant figures?

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Q: What volume of each solution contains 0.12 molmol of KClKCl Express your answer using two…

A: a. Molarity of KCl = 0.247 M Molarity = number of moles (mol)Volume of the solution (L) 0.247 M =…

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Q: Starting with a 6.861 M stock solution of HNO3, five standard solutions are prepared via serial…

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Q: 6. If the density of a salt water solution is 1.156g/mL. How many milliliters are needed to have…

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Q: What mass of water is necessary to prepare each of the following solutions? Express your answers…

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Q: To make 308 mL of a 0.531 M solution of HCI, how many mL of a 3.4 M solution should be used? Report…

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Q: A solution contains 22.5 g of CaCl2 in 253 mL of solution.  What is the molarity of this solution.…

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Q: Calculate the amount of pure ethanol needed to prepare 200 mL of 60% ethanol solution, using water…

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