The molecular weight of nitrous oxide (N2O), known as laughing ...

[frankwu]

The molecular weight of nitrous oxide (N2O), known as laughing gas, is ________ amu (rounded to one decimal place).
 
  A) 60.0
  B) 30.0
  C) 44.0
  D) 3.0
  E) 22.0

Question 2

Which of the following assumptions of Dalton's Atomic Theory are no longer valid?
 
  A) Each element is composed of atoms.
  B) All atoms of a given element have the same mass and other properties that distinguish them from the atoms of other elements.
  C) Atoms combine in simple, whole-number ratios to form compounds.
  D) Atoms of one element cannot change into atoms of another element.

[efwsefaw]

Answer to Question 1

C

Answer to Question 2

A

[frankwu]

Gracias!

[okolip]

Thanks for the timely response, appreciate it