Chemistry, 06.08.2021 18:30 sullivanjakob
Consider how each of the situations described below would affect the experimental value determined for the molecular weight of an unknown solid acid. Explain why the experimental molar mass would be too large, too small, or unaffected because of the situation described.
a. The student always uses the same malfunctioning balance which is weighing everything 3. the situation described. exactly 0.0100 grams too light. t o 01.oograns fos ligh
b. The unknown acid is contaminated with solid sodium chloride.
c. In part B of the experiment, the student assumes that KHP is a diprotic acid when calculating the molarity of the NaOH.
Answers: 2
Chemistry, 22.06.2019 20:40
What effect would average population growth have on land usage? a. urban use of land would rise to more than 30 percent of available land. b. industrial use of land would rise to more than 30 percent of available land. c. the percentage of available land used as cropland would stay the same. d. cropland would fall to about 10 percent of available land.
Answers: 1
Chemistry, 23.06.2019 06:00
When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.
Answers: 1
Chemistry, 23.06.2019 09:30
What lessons does the history and study of the periodic table offer to other fields of science, and the pursuit science more generally
Answers: 3
Consider how each of the situations described below would affect the experimental value determined f...
Mathematics, 01.09.2021 04:10
Health, 01.09.2021 04:10
English, 01.09.2021 04:10
Mathematics, 01.09.2021 04:10
Mathematics, 01.09.2021 04:10
Mathematics, 01.09.2021 04:10
Chemistry, 01.09.2021 04:10
Mathematics, 01.09.2021 04:10
Mathematics, 01.09.2021 04:10
Social Studies, 01.09.2021 04:10
Mathematics, 01.09.2021 04:10
Business, 01.09.2021 04:10
Biology, 01.09.2021 04:10