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

Author Question: How many moles are represented by 2.5 1015 Na atoms? (Read 66 times)

RODY.ELKHALIL

  • Hero Member
  • *****
  • Posts: 591

Question 1

How many electrons are in the ion P3-?
◦ 12
◦ 18
◦ 28
◦ 34

Question 2

How many moles are represented by 2.5 × 1015 Na atoms?
◦ 3.8 × 10-10 mol
◦ 1.8 × 10-10 mol
◦ 1.5 × 1039 mol
◦ 4.2 × 10-9 mol
◦ 1.1 × 1014 mol


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by RODY.ELKHALIL on Jul 8, 2021

meow1234

  • Sr. Member
  • ****
  • Posts: 333
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




RODY.ELKHALIL

  • Member
  • Posts: 591
Reply 2 on: Jul 8, 2021
Wow, this really help


elyse44

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Excellent

 

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

For a complete list of videos, visit our video library