Assume that you measured exactly 2.0 mL of the sodium chloride solution into a small test tube. How many moles
sodium chloride are in the tube?
?———moles

Calculate - analysis of compound composed of iron and oxygen yields 174.86 of fe and 75.14g of o. what is the empirical formula for this compound?

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt