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

Author Question: How many moles of O atoms are in 25.7 g of CaSO4? (Read 7 times)

effaey

  • Full Member
  • ***
  • Posts: 153
on: Nov 5, 2023

Question 1

How many moles of O are in 2.45 moles of H2CO3?
◦ 2.45 moles O
◦ 39.2 moles O
◦ 118 moles O
◦ 7.35 moles O
◦ 0.459 moles O

Question 2

How many moles of O atoms are in 25.7 g of CaSO4?
◦ 0.189 mol
◦ 0.755 mol
◦ 4.00 mol
◦ 1.14 × 1023 mol
◦ 4.55 × 1023 mol
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 effaey on Nov 5, 2023

marufp

  • Full Member
  • ***
  • Posts: 169
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 55% of students answer this correctly


effaey

  • Member
  • Posts: 153
Reply 2 on: Nov 5, 2023
:D TYSM

lcapri7

  • Member
  • Posts: 350
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Sources of ring atoms Sources of ring atoms
The ethanol molecule showing two carbon atoms, six hydrogen atoms, and one oxygen atom. The ethanol molecule showing two carbon atoms, six hydrogen atoms, and one oxygen atom.
What is the volume of 1.51 x 1024 atoms of an unknown gas at STP? What is the volume of 1.51 x 1024 atoms of an unknown gas at STP?
How many Cl atoms are present in 2.16 moles of NCl3? How many Cl atoms are present in 2.16 moles of NCl3?
To make a 3.00 m solution, one could take 3.00 moles of solute and add To make a 3.00 m solution, one could take 3.00 moles of solute and add
What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g? What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g?
Video: Photosynthesis overview Animation

For a complete list of videos, visit our video library