Chemistry, 01.08.2019 10:30, tcarston9884

Amixture of two compounds, a and b, was separated by extraction. after the compounds were dried, their masses were found to be: 105 mg of compound a and 91 mg of compound b. both compounds were recrystallized and weighed again. after recrystallization, the mass of compound a was 91 mg and the mass of compound b was 83 mg. calculate the percent recovery from recrystallization for both compounds.

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 22.06.2019 10:00, deena7

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Answers: 1

continue

Chemistry, 22.06.2019 12:20, tenleywood

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Answers: 2

continue

Chemistry, 22.06.2019 19:00, georgesarkes12

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury

Answers: 2

continue

Chemistry, 22.06.2019 20:50, LoneWolves

At element makes up all organic compounds?

Answers: 2

continue

Do you know the correct answer?

Amixture of two compounds, a and b, was separated by extraction. after the compounds were dried, the...