. Let's say you are making 500.0 mL of a 2.0 M solution of NaCl. You have measured out the appropriate grams of NaCl, added it to the volumetric flask and added water up to the 500.0 mL mark. Which of the following errors would cause your molarity to be LESS than the 2.0 M of NaCl that you planned for?

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 grams of magnesium metal will react completely with 8.3 liters of 5.5m hcl? show all work

How many lone pairs of electrons are on the central atom of no3- and what is the molecular shape? one, trigonal planar zero, trigonal pyramidal zero, trigonal planar one, tetrahedral one, trigonal pyramidal