A laboratory technician purchased 250. mL of 15.4 mol/L nitric acid. She uses this concentrated solution to prepare a 1.00 mol/L nitric acid solution. How many litres of dilute nitric acid can she prepare from the concentrated nitric acid solution she purchased?

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

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

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: If 56.1 grams of NaCl are dissolved in 44.0 mL of Sulfuric acid, H2SO4 Sulfuric acid has a density…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Concentrated hydrochloric acid is an aqueous solution that is 30.50 % HCl. The density of the…

A: Given that,  A concentrated HCl solution contains 30.50% HCl in an aqueous solution.  Density of HCl…

Q: How many grams of chlorohexane are there in 0.1700 litres of an 80.0 mM solution?

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Q: Suppose 4.1 g MgCl2 is dissolved in 660 mL of water. What is the normality of Mg2+ ions in the…

A: Normality is the number of equivalents of solute per unit volume of the solution. Equivalent mass is…

Q: What is the mass percent of the methanol?

A: We have to find mass percent of the methanol

Q: if 750 ml of whiskey has a 40% Alcohol by volume 109 ml serving of ice cream has 4.9% Alcohol by…

A: Given the alcohol percentage in whiskey = 40 % v/v Volume of ice-cream required = 1 L or 1000 mL

Q: Concentrated hydrochloric acid has a concentration of 12.0 M. What volume of this solution should be…

A: Dilution :-  When a concentrated solution of molarity M1 and volume V1 is diluted by adding water to…

Q: A solution is made using 200.0 mL of methanol (density 0.7920 g/mL) and 1035.1 mL of water (density…

A: Volume of methanol = 200.0 ml  Density of methanol = 0.7920 g/ml  Volume of water = 1035.1 ml…

Q: What is the molarity of a solution containing 15 g sulphuric acid in 150 ml solution? What is the…

A: Molarity: the number of moles of a solute dissolved in one litre of the solution is called molarity.…

Q: Hydrochloric acid NF contains approximately 37 g of hydrochloric acid (HCl) in 100 g solution of HCl…

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

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Q: A 6.00% (m/v) NaCl solution contains 15.1g of NaCl. What is the total volume of the solution in ml?

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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: An experiment calls for 225 mL of 0.330 MNaCl solution. What mass of NaCl is required? Mass What…

A: Given - Molarity of NaCl solution = 0.330 M Volume of solution = 225 mL = 0.225 L a) First determine…

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 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: How many grams of potassium chloride are contained in 426 mL of a solution that is 1.64 M in…

A: Military is a concentration term and can be expressed in terms of number of moles in one liter of…

Q: A solution is made using 200.0 mL of methanol (density 0.792 g/mL) and 563.1 mL of water (density…

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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: If 75.0 mL methanol is combined with 250.0 mL water, what is the volume percent of methanol in the…

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Q: How many milliliters of pure hydrogen peroxide would you use to make one liter of a 20% hydrogen…

A: The volume of solute in milliliter present in 100 mL solution is known as the volume percent…

Q: What volume of 1.2 N CaCO3 solution contains 236.8 grams of CaCO3

A: Normality is a unit of concentration and it is defined as the number of gram equivalents of solute…

Q: If you make 250 mL of a 20X stock solution on NaCl, how many grams of NaCl would you need in how…

A: Introduction To make a stock solution, weigh out the proper amount of a pure solid or measure out…

Q: Part B A solution of rubbing alcohol is 79.1 % (v/v) isopropanol in water. How many milliliters of…

A: v/v % = (volume of solute ÷volume of solution)×100

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: What mass (g) of calcium chloride do you need to make 150.0 mL of a 0.750 M solution?

A: Molarity is defined as the number of moles of solutes present in per litre of solution.

Q: A sample of barium chloride weighing 20.5g was dissolved in enough water to make a solution with a…

A: Given, Mass of barium chloride = 20.5 g  Concentration = 0.175 M                            = 0.175…

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 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: Saline solution, a 0.92% (m/v) Sodium Chloride solution, is often administered intravenously to…

A: Given :-  %m/v = 0.92 %  Volume of solution = 345 mL  To calculate :-  Mass of sodium chloride (in…

Q: A solution is made using 200.0 mL of methanol (density 0.7920 g/mL) and 775.1 mL of water (density…

A:

Q: What is the mass percent of the methanol?

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

Q: If 1 L of AgNO3 solution is made by adding 900 mL of water to 100 mL of 2 M AgNO3, what is the…

A: Solution stoichiometry involves the calculation of concentration of solutions in the given…

Q: How many mL of a 5.02% copper(I) bromide solution contains 2.66 g copper(I) bromide?  The density of…

A: Mass percent :- The mass of solute present in 100 grams of solution is known as its mass percent .…

Q: Concentrated hydrochloric acid (HC) has a concentration of 12.0M. How many ms of concentrated HCl…

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

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Q: A chemist mixes 72. g of water with 6.2 g of butanoic acid and 27. g of methanol. Calculate the…

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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: In the laboratory you are asked to make a 0.128 m chromium(III) acetate solution using 475 grams of…

A: Given  Molality of solution ( m ) = 0.128 m                                          = 0.128 mol/kg…

Q: Calculate the quantity of sodium floride in grams that are needed to prepare 3 L of a stock solution…

A: Given:Final solution= 25cL of stock solution diluted to 7.5L i.e. 0.25 L stock solution diluted to…

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: What is the concentration, in ppm, if 0.008080 grams of CaCl2 is dissolved in water to a total…

A: As 1 ppm = 1mg/L Hence, we have to find the concentration in units of mg/L

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

A: Mass = Volume × concentration C1 × V1 = C2 × V2

Q: A 70.0% alcohol solution is used as an antiseptic to clean hoods in microbiology labs. What volume…

A: Given information:70% alcohol solution (70 g solute in 100 mL of solution)