Author Question: The reaction 2 HNO3(aq) + Ba(OH)2(aq) Ba(NO3)2(aq) + 2 H2O(l) is best classified as a(n) A) ... (Read 102 times)

go.lag · **on:** Aug 27, 2018

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