This topic contains a solution. Click here to go to the answer

Author Question: What mass of potassium superoxide could be prepared from 15.6 g of potassium metal and excess oxygen? (Read 31 times)

gbarreiro

  • Hero Member
  • *****
  • Posts: 566

Question 1

What mass of borax [Na2B4O7(H2O)10] could be prepared from 25 kg of colemanite ore [Ca2B6O11(H2O)5] by a process that is 95% efficient, assuming that no other boron-containing product is formed?
◦ 47 kg
◦ 42 kg
◦ 33 kg
◦ 31 kg
◦ 20 kg

Question 2

What mass of potassium superoxide could be prepared from 15.6 g of potassium metal and excess oxygen?
◦ 37.6 g
◦ 15.6 g
◦ 22.0 g
◦ 28.4 g
◦ 0.399 g


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by gbarreiro on Jul 8, 2021

Ptupou85

  • Sr. Member
  • ****
  • Posts: 334
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 39% of students answer this correctly




gbarreiro

  • Member
  • Posts: 566
Reply 2 on: Jul 8, 2021
:D TYSM


raenoj

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

For a complete list of videos, visit our video library