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

Author Question: The molecular formula of aspirin is C9H8O4. How many aspirin molecules are present in one ... (Read 49 times)

jacob816

  • Full Member
  • ***
  • Posts: 151
on: Nov 5, 2023

Question 1

The mineral pyrolusite is a compound of 55Mn and 16O.  If 63% of the mass of pyrolusite is due to manganese, what is the empirical formula of pyrolusite?
◦ MnO
◦ Mn2O
◦ Mn2O2

◦ MnO2

◦ none of these

Question 2

The molecular formula of aspirin is C9H8O4.  How many aspirin molecules are present in one 500-milligram tablet?
◦ 2.77 molecules
◦ 2.77 × 10–3 molecules
◦ 1.67 × 1024 molecules
◦ 1.67 × 1021 molecules
◦ None of these is correct.
Chemistry ¦ Chang, Goldsby ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by jacob816 on Nov 5, 2023

ryanb

  • Full Member
  • ***
  • Posts: 164
Reply #1 on: Nov 5, 2023
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 29% of students answer this correctly


jacob816

  • Member
  • Posts: 151
Reply 2 on: Nov 5, 2023
:D TYSM

kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

the fatty acid molecules expose the smallest possible hydrophobic surface area the fatty acid molecules expose the smallest possible hydrophobic surface area
Time Line of Human History From Upper Paleolithic Period to the Present Time Line of Human History From Upper Paleolithic Period to the Present
BMI Formula BMI Formula
Basic molecular mechanisms of delayed-type hypersensitivity. Basic molecular mechanisms of delayed-type hypersensitivity.
Ceiling effect of aspirin. A plateau is reached where increasing the dose of aspirin will not create ... Ceiling effect of aspirin. A plateau is reached where increasing the dose of aspirin will not create ...
formula formula
Video: System organization - PPM system types (Somatic, Autonomic & Enteric) and Reflex arc types

For a complete list of videos, visit our video library