How many moles are present in 16.9 g of Al2O3?
0 0.166 mol
O 0.17 mol
0.169 mol

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

How many miles of water are produced if 5.43 mol pbo2 are consumed

You have a liquid that exhibits diltancy. you want to pour it from a bottle. what should you do to the bottle before pouring