Author Question: Sample A contains 92.3carbon and 7.7 hydrogen. If sample B is the same substance, it will contain ... (Read 36 times)

javeds · **on:** Aug 27, 2018

Sample A contains 92.3carbon and 7.7 hydrogen. If sample B is the same substance, it will contain

A) 80 carbon and 20 hydrogen.
B) 92.3 carbon and 7.7 hydrogen.
C) 83.3 carbon and 16.7 hydrogen.
D) 85 carbon and 15 hydrogen.

Question 2

A sample of calcium that contains Avogadro's number of atoms has a mass of ________.

A) 20 g
B) 40 g
C) 80 g
D) 160 g