Question

Self-Assessment
1. What is the number of moles in each of the following?
a) 52g of silicon (atomic mass of Si =28 )
b) 1.42g of Oz (oxygen gas)(atomic mass of O =16)
c) 3.6x1024 atoms of lithium ( atomic mass of Li = 7)
01022 formula units of potassium chloride (KCI). (atomic mass of k= 39
Cl=35.5​

Answer 1

3.6x1024 atoms of lithium ( atomic mass of Li = 7)

01022 formula units of potassium chloride (KCI). (atomic mass of k= 39

Cl=35.5 is anwer

Answer 2

Answer:

52g of silicon (atomic mass of Si=28