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 24 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
Great answer, keep it coming :)

parker125

  • Member
  • Posts: 332
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Sources of ring atoms Sources of ring atoms
13 Carbon Atoms 13 Carbon 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.
A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is: A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is:
How many Cl atoms are present in 2.16 moles of NCl3? How many Cl atoms are present in 2.16 moles of NCl3?
A buffer solution is prepared using 0.5 moles of a weakly basic drug and an unknown quantity of ... A buffer solution is prepared using 0.5 moles of a weakly basic drug and an unknown quantity of ...
Video: Proteins Defined, Hierarchy & Composition of Cells

For a complete list of videos, visit our video library