What is the molarity of a solution of vinegar
What is the molarity of a solution of vinegar that is 5.00 % by mass acetic acid (CH3CO2H) and has a density of 1.01 g/mL?
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An air bubble accidentally enters the co2 collection graduated cylinder after the completion of the reaction. How does this error affect the reported moles of CO2(g) collected?
When M2S3(s) is heated in air, it is converted to MO2(s). A 4.500-g sample of M2S3(s) shows a decrease in mass of 0.209 g when it is heated in air. What is the average atomic mass of M?
When M2S3(s) is heated in air, it is converted to MO2(s). A 4.200-g sample of M2S3(s) shows a decrease in mass of 0.215 g when it is heated in air. What is the average atomic mass of M?
Calculate the maximum theoretical percent recovery from the recrystallization of 0.75g of benzoic acid from 15mL of water at 100 degrees C and filtration at 25 degrees C.
An elastic cord is 74 cm long when a weight of 70 N hangs from it but is 85 cm long when a weight of 200 N hangs from it? What is the spring constant of the elastic cord?
A calorimeter containing 75 grams of water ai 18 degrees celcius. the water and metal object reach a final temperature of 22 degrees celcius? what is the metal?
Calculate the volume of 6.15% (mass solute/volume solution) sodium hypochlorite ("bleach") that will be required to make 250 mL of 0.500 M sodium hypochlorite.
A 91.0-kg person stands on a scale in an elevator. What is the apparent weight in each of the following situations? (a) when the elevator is accelerating upward with an acceleration of 1.30 m/s2
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