This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A compound is found to be 30.45 N and 69.55 O by mass. If 1.63 g of this compound occupy 389 mL at ... (Read 137 times)

torybrooks

  • Hero Member
  • *****
  • Posts: 500
on: Aug 27, 2018
A compound is found to be 30.45 N and 69.55  O by mass. If 1.63 g of this compound occupy 389 mL at 0.00C and 775 mm Hg, what is the molecular formula of the compound?
 
  A) NO2
  B) N2O
  C) N4O2
  D) N2O5
  E) N2O4

Question 2

How many sodium ions are contained in 99.6 mg of Na2SO3? The molar mass of Na2SO3 is 126.05 g/mol.
 
  A) 1.52  1027 sodium ions
  B) 4.76  1020 sodium ions
  C) 2.10  1021 sodium ions
  D) 1.05  1021 sodium ions
  E) 9.52  1020 sodium ions


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dinolord

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Aug 27, 2018
Answer to Question 1

E

Answer to Question 2

E


torybrooks

  • Member
  • Posts: 500
Reply 2 on: Aug 27, 2018
Gracias!

Zebsrer

  • Member
  • Posts: 284
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

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?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Photosynthetic thylakoid membranes and numerous gas vesicles found in a cell of the cyanobacterial g Photosynthetic thylakoid membranes and numerous gas vesicles found in a cell of the cyanobacterial g
Mass Exchange Between Close Binary Stars Mass Exchange Between Close Binary Stars
Many different types of labels may be found on packages containing hazardous materials. Clockwise ... Many different types of labels may be found on packages containing hazardous materials. Clockwise ...
What is the density of 96 mL of a liquid that has a mass of 90.5 g? What is the density of 96 mL of a liquid that has a mass of 90.5 g?
Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chl Given that sodium chloride is 39.0% sodium by mass, how many grams of sodium chl
Ribonucleotides containing unusual nitrogenous bases are found in transfer RNA Ribonucleotides containing unusual nitrogenous bases are found in transfer RNA
Video: Cavernous Sinus Larynx Middle Ear Orbit: Granulesm Animation

For a complete list of videos, visit our video library