This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Calculate the mass percent composition of sulfur in Al2(SO4)3. (Read 69 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
on: Nov 18, 2019

Question 1

A typical cup of coffee has about 100. mg of caffeine. Calculate the number of caffeine molecules in 100. mg C8H10N4O2.
◦ 3.22 × 10-21
◦ 1.17 × 1025
◦ 3.10 × 1025
◦ 3.10 × 1022
◦ 3.10 × 1020

Question 2

Calculate the mass percent composition of sulfur in Al2(SO4)3.
◦ 28.11%
◦ 35.97%
◦ 9.372%
◦ 42.73%
◦ 21.38%
Chemistry: A Molecular Approach (Canadian) ¦ Tro, Fridgen, Shaw ¦ 2nd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by lbcchick on Nov 18, 2019

tuate

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Nov 18, 2019
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 35% of students answer this correctly


lbcchick

  • Member
  • Posts: 550
Reply 2 on: Nov 18, 2019
YES! Correct, THANKS for helping me on my review

anyusername12131

  • Member
  • Posts: 327
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

The greatest bone mass is found around age 30 for both men and women, with the later decline being f The greatest bone mass is found around age 30 for both men and women, with the later decline being f
Due to compressibility, atmospheric mass gradually “thins out” with height. Due to compressibility, atmospheric mass gradually “thins out” with height.
Dried fruits often have sulfur dioxide or other sulfites added to them to preserve color and flavor Dried fruits often have sulfur dioxide or other sulfites added to them to preserve color and flavor
A 23 kg mass is connected to a nail on a frictionless table by a massless string 1.3 m long. ... A 23 kg mass is connected to a nail on a frictionless table by a massless string 1.3 m long. ...
Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chl Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chl
Calculate the weighted-average cost of the following inventory purchases:DateQuantity ... Calculate the weighted-average cost of the following inventory purchases:DateQuantity ...
Video: Reflex arc construction

For a complete list of videos, visit our video library