Calculate the average atomic mass of chlorine if 75.77% of its atoms have a mass of 34.97 amu and 24.23% of its atoms have a mass of 36.96 amu.

NO3 + 12 + 103 + NO2 What is being oxidized?

Why do reactions need to be balanced? A. Because the reactants must be the exact same as the products B. Because of the conservation of energy C. Because the volume of reactants must equal the volume of products D.

An iv solution contains 5.10g glucose in 100.5 ml water. what is the molarity of the solution? the molar mass of glucose is 180g/mol. molarity: mol solute/l solution

How many particles are in 8.00 moles of bromine?

You need 1.50 moles of ammonia (nh3) for a reaction at stp. what volume of ammonia must you measure? also, how many molecules of nacl are in 23.40 grams nacl?

Which microscope came out first

Which exerts greater pressure on the floor-standing flat-footed or standing on tiptoe? on tiptoe, because the force acts over less area on tiptoe, because the force acts over more area flat-footed, because the force acts over more area flat-footed,

1. Sara tells Michael she is 160 centimeters tall, while Michael says he is 60 inches tall. If there are 2.54 centimeters in an inch, who is taller

How do you tell if a compound is polar or non polar

What two ions are central to the arrhenius definitions of acids and bases?