The reaction 2 HNO3(aq) + Ba(OH)2(aq) Ba(NO3)2(aq) + 2 H2O(l) is ...

[go.lag]

The reaction 2 HNO3(aq) + Ba(OH)2(aq)  Ba(NO3)2(aq) + 2 H2O(l) is best classified as a(n)
 
  A) acid-base neutralization reaction.
  B) oxidation-reduction reaction.
  C) precipitation reaction.
  D) single replacement reaction.

Question 2

The mole fraction of carbon dioxide in a gas mixture is 0.200. There are 0.251 g of nitrogen and 0.322 g of oxygen in this gas mixture. What is the mass of carbon dioxide in this mixture?
 
  A) 0.216g
  B) 0.373g
  C) 0.838g
  D) 0.0191g

[matt95]

Answer to Question 1

A

Answer to Question 2

A

[go.lag]

TYSM

[duy1981999]

Excellent