In a lab, there are two beakers with a colorless odorless liquid. One beaker contains 89% oxygen and 11% hydrogen by mass. The other beaker contains 94% oxygen and 6% hydrogen by mass. Which beaker will you drink from and why

Q: A substance has a solubility of 12.5 g per 100 mL of solvent at 100°C and 2.45 g per 100 mL solvent…

A: Given, At 100°C Solubility of of substance is 12.5 g per 100 mL of solvent At 10°C Solubility of of…

Q: 182 −mL−mL sample of a 1.3 MM sucrose solution is diluted to 600 mLmL .     Part A What is the…

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Q: A 112-mg sample of Na2CO3 is dissolved in H2O to give 2.55 L of solution. What is the concentration…

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Q: the characteristics of the mixtures to be separated and pick a compatible separation technique. How…

A: To separate salt from a mixture of salt ,we have two methods 1 Dissolve  the mixture in the water…

Q: Calculate the freezing point of a water solution at each concentration. Express your answer using…

A: ∆Tf = Kf.m ∆Tf = freezing point of depression Kf = molal freezing point depression constant of…

Q: Calculate the mass of NaClNaCl in a 45 −mL−mL sample of a 1.4 MM NaClNaCl solution.         Express…

A: We have to find the mass of NaCl present in 45 mL of 1.4 M NaCl solution. Given data; molarity = 1.4…

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: you wanted to give drinks to your visitors, your classmates, by mixing a jar of water and a 500…

A: Considered that the volume of the jar is 1.0 L and powdered juice mainly contains sugar. It is also…

Q: Concentrated sulfuric acid is 18.0 M. You need to make a 2.0 L of 1.0 M solution from this…

A: Given data: M1 = 18 M H2SO4 V1=? M2 = 1.0 M H2SO4 V2 = 2.0 L

Q: A chemist added 40 mL of pure acetic acid to 100 mL of 20% (v/v) solution of acetic acid in water.…

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Q: You are given a small beaker of solution at room temperature. You add a bit of solute to the…

A: An unsaturated solution is the one in which solution can be dissolved at constant temperature,

Q: A venti pour Blonde Roast coffee from Starbucks contains 232 mg of Caffeine (C8H10N4O2) per 20.0…

A: Given ,          mass of caffeine=232 mg=0.232 g        volume of solution-20.0 fluid ounces

Q: At room temperature, table sugar has a solubility of 200. g in 100 mL of water. In boiling water,…

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Q: n a particular hospital, a doctor ask you to prepare 1.50 L of 2.75 M ethyl alcohol (C2H5OH)…

A: No.of moles =  Molarity  × Volume   Mass =  No.of moles × Molar mass

Q: Which of the following is the process in which there is an addition of small dose of chlorine gas to…

A: Coagulation : It is the process by which blood changes from a liquid to a gel forming a blood clot.…

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: 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: Directions Through the given situations below, answer the following questions 1 A mixture of…

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

Q: Calculate the volume in liters of a ×2.1910−5 M mercury(II) iodide solution that contains 325.μmol…

A: Molarity represents the concentration of a solution, which is generally expressed as mol/L or M.…

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: Materials Needed: sugar water glasses fork oil teaspoon stones egg yolk Procedure: 1. Put one…

A: Materials :       Sugar                            Glasses                         Water…

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: You desire a sweeter tasting Kool-Aid. You've already saturated the Kool-Aid with sugar. In order to…

A: Given : The solution is already saturated with sugar.

Q: A vial of amoxicillin contains 590. mgmg in 2.6 mLmL of solution. What volume of the solution…

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

Q: What is the molarity of a solution that contains 2.4 mols of solute in 2500 mL of solution; is the…

A: Molarity is the number of moles of solute dissolve in one litre of solution. Given, No. of moles =…

Q: A chemist makes 710.mL of mercury(I) chloride Hg2Cl2 working solution by adding distilled water to…

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Q: An aqueous solution of silver nitrate is 6.80 % of silver nitrate by weight. How many grams of…

A: Mass percent of any solute is given by : % by weight = (mass of solute / mass of solution) ×100 %…

Q: (a) The distillation stops at one point, and the temperature drops. (b) The material in the…

A: Distillation is a process of separating mixture of liquids depending up on their different boiling…

Q: READ THIS: When you hear that NASA's space probes are looking for "evidence of life" on other…

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Q: Which of the following sugar solutions is the most concentrated?   5 g of sugar in 40 mL of water 2…

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Q: In a standardization experiment, 0.5067 g of primary standard sodium carbonate (Na2CO3) was exactly…

A: Provided amount of Na2CO3=0.5067 g Molar mass of Na2CO3=105.989g/mol Equivalent mass of Na2CO3 =…

Q: 1. What will happen in a soda bottle after shaking vigorously and placed in a basin of hot water?…

A: In Soda water bottle has large amount of dissolved carbon dioxide .

Q: 2) For 30 kg of seeds contains 27% oil, the amount of solution is (a) 0 kg (b) 27 kg (c) 8.1 kg

A: General chemistry.

Q: Part 2 Pour the six liquids (from part 1) into the same graduated cylinder (to the left). The…

A: Concept based on the density of different liquids.

Q: What is the meaning of a 25 % (m/m) NaCl solution (Table 8.11) A) 25 mL of NaCl in 100 mL of NaCl…

A: Given : % (m/m) of NaCl = 25 %.

Q: 2.5740 grams of 97% Copper sulfate pentahydrate dissolved in water up to 1-L volume. A. Parts per…

A: Solution - According to the question - Given - w/w % = ( mass solute / mass solution ) x 100 putting…

Q: The prescription for an oral solution reads "1 tablespoon ac & hs x 10d". What is the minimum volume…

A: Given: The prescription for an oral solution reads "1 tablespoon ac & hs x 10d"

Q: 11. The measured drug dosage is a. 33 mL b. 0.10 mg drug (1 kg body mass) 82 kg patient where 15 mL…

A: Volume of drug required to give patient can be calculated from the required mass of drug and…

Q: Which is the smallest particle size: rock salt, regular salt, or finely powdered salt? Which is the…

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Q: Calculate the volume in liters of a  ×9.9010−5 M copper(II) fluoride solution that contains…

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Q: 7.What volume (in ml) of a solution that is 23% in glucose(C6H12O6) by mass contains 162.5g of…

A: Given data, 23% glucose solution by mass Density of solution is (d) 1.03 g/ml

Q: 2. You wanted to give drinks to your visitors, your classmates, by mixing a jar of water and a 500…

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

Q: 2. A beaker of water and a beaker containing a sugar solution were placed in a closed container at…

A: Since the sugar solution has lower molar fraction of water than other water beaker.(pure water)).…

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: 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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Q: The following questions refer to figures with circles and ovals. The clear circles represent water…

A: Observing the given Fig.1 clearly shows that compartment A contains both sugar and water molecules,…