If two forces are heading in the same direction, we them to calculate net force. options:
add
or
subtract

What is the mass of sodium in 3 moles of sodium chloride

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.