O Chemical ReactionsUsing molarity to find solute mass and solution volume0/3BiA chemist adds 120.0 mL of a 1.37 mol/L sodium thiosulfate (Na2S2O3) solution to a reaction flask. Calculate the mass in grams of sodium thiosulfate thechemist has added to the flask. Round your answer to 3 significant digits.§

Step 1: Calculation of moles of sodium thiosulfateGiven,molarity of sodium thiosulfate solution =…

Answered: O Chemical Reactions Using molarity to…

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter3: Molecules, Moles, And Chemical Equations

Section: Chapter Questions

Problem 3.37PAE: 3.37 If atypical grain of sand occupies a volume of 1.3 × 10-4 cm3, what is the volume (in cm3) of 1...

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Similar questions

3.37 If atypical grain of sand occupies a volume of 1.3 × 10-4 cm3, what is the volume (in cm3) of 1 mole of sand (ignoring the space between grains)? What is the volume in liters?
If a solid block of glass, with a volume of exactly 100 in.3, is placed in a basin of water that is full to the brim, then of water will overflow from the basin.
A 2.0-mer volume of hydrogen gas combined with 1.0 liter of oxygen gas to produce 2.0 liters of water vapor. Does oxygen undergo a chemical or physical change?
This year, like many past years, you begin to feel very sleepy alter eating a large helping of Thanksgiving turkey. Some people attribute this sleepiness to the presence of the amino acid tryptophan in turkey. Tryptophan can be used by the body to produce serotonin, which can calm the brains activity and help to bring on sleep. a. What mass in grams of tryptophan is in a 0.25-lb serving of turkey? (Assume tryptophan accounts for 1.0% of the turkey mass.) b. What mass in grams of tryptophan is in 0.25 quart of milk? (Assume tryptophan accounts for 2.0% of milk by mass and that the density of milk is 1.04 kg/L.)
A 194-g sample of caffeine (C8H10N4O2) contains 6.02 1023 molecules of caffeine. If a typical 10-hour energy drink contains 422 mg of caffeine, how many molecules of caffeine are present in the drink?
A chemist adds 0.90L of a 1.72 M potassium iodide KI solution to a reaction flask. Calculate the mass in kilograms of potassium iodide the chemist has added to the flask. Be sure your answer has the correct number of significant digits.
Liquid octane CH3CH26CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . Suppose 1.1 g of octane is mixed with 1.80 g of oxygen. Calculate the maximum mass of water that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.
Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium chloride (NaCl) and liquid water (H₂O). Suppose 32.4 g of hydrochloric acid is mixed with 63. g of sodium hydroxide. Calculate the maximum mass of sodium chloride that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits. g 10 X IEE olo Ar (Please type answer no write by hend)
Determine the volume of NaOH solution needed to prepare 26.2 g of Na3PO4 by the reaction 3 NaOH + H3PO4 → Na3PO4 + 3 H2O The NaOH solution is 12% NaOH by mass and has a density of 1.133 g/mL. Show all steps clearly. Report the answer to the correct number of significant figures and with the appropriate units.
Gaseous butane CH3CH22CH3 will react with gaseous oxygen O2 to produce gaseous carbon dioxide CO2 and gaseous water H2O . Suppose 4.65 g of butane is mixed with 25. g of oxygen. Calculate the maximum mass of carbon dioxide that could be produced by the chemical reaction. Be sure your answer has the correct number of significant digits.
Methanol (CH4O) has a density of 0.791 gmLgmL and a molar mass of 32.05 gmolgmol. How many moles of methanol are in a 0.834 mL (milliliter) sample of methanol? Report your answer rounded to the proper number of significant figures.
A sodium chloride solution was prepared by dissolving 0.0998 \pm 0.0005 g NaCI (58.443 \pm 0.001 g/mol) in 100.00 \pm 0.08 mL of water. Calculate the concentration of NaCl in the solution and its absolute uncertainty. Report the concentrationwith the appropriate number of significant figures.

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