Author Question: How many molecules are contained in 25.0 mL of butane? The density of butane is 0.6011 g/mL and the ... (Read 102 times)

bucstennis@aim.com · **on:** Aug 27, 2018

How many molecules are contained in 25.0 mL of butane? The density of butane is 0.6011 g/mL and the molar mass is 58.12 g/mol.

A) 2.59 1023 molecules butane
B) 1.46 1027 molecules butane
C) 6.87 1023 molecules butane
D) 1.56 1023 molecules butane
E) 7.14 1025 molecules butane

Question 2

Crude oil is an example of

A) a compound.
B) an element.
C) a heterogeneous mixture.
D) a homogeneous mixture.