Asample of sodium hydroxide (naoh) has a mass of 160.0 g. the molar mass of naoh is 40.00 g/mol. how many moles of naoh does this sample contain?
a) 4.000
b) 40.00
c) 160.0
d) 6,400

Based on the equation and the information in the table, what is the enthalpy of the reaction?

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.

What is the percentage of hydrogen in nitrogen trihydride