Author Question: A compound contains 38.7 K, 13.9 N, and 47.4 O by mass. What is the empirical formula of the ... (Read 137 times)

acc299

  • Hero Member
  • *****
  • Posts: 569
A compound contains 38.7 K, 13.9 N, and 47.4 O by mass. What is the empirical formula of the compound?
 
  A) KNO3
  B) K2N2O3
  C) KNO2
  D) K2NO3
  E) K4NO5

Question 2

Express the temperature, 275.18 K, in degrees Celsius.
 
  A) 548.33 C
  B) 274.17 C
  C) 2.03 C
  D) 120.88 C
  E) 22.78 C


tuate

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

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).

For a complete list of videos, visit our video library