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 26 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
Wow, this really help

diana chang

  • Member
  • Posts: 288
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

pH vs. moles base added per mole acid pH vs. moles base added per mole acid
Atoms Atoms
0.300 moles of sodium nitrite are needed for a reaction. The solution is 0.450 M. How many mL ... 0.300 moles of sodium nitrite are needed for a reaction. The solution is 0.450 M. How many mL ...
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 gold atoms are contained in 3.75 moles of gold? How many gold atoms are contained in 3.75 moles of gold?
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: B cells and antibodies

For a complete list of videos, visit our video library