In the chemical reaction below, sodium (na) and chlorine (cl) combine to form sodium chloride (nacl).
2na + cl2 → 2nacl
if the combined mass of the starting reactants is 50 grams, then the mass of sodium chloride formed once the reaction has reached completion
a.
will be exactly 100 grams.

b.
will be between 50 and 100 grams.

c.
will be exactly 50 grams.

d.
will be less than 50 grams.

Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt

The atomic radius of sodium is 186 pm and of chlorine is 100 pm. the ionic radius for na+ is 102 pm and for cl– is 181 pm. in going from na to cl in period 3, why does the atomic radius decrease while the ionic radius increases? a. the inner electrons in the sodium cation shield its valence electrons more effectively than the inner electrons in the chloride anion do. b. the inner electrons shield the valence electrons more effectively in the chlorine atom than in the chloride anion. c. the outermost electrons in chloride experience a smaller effective nuclear charge than those in the sodium cation do. d. the outermost electrons in chloride experience a larger effective nuclear charge than those in the sodium cation do. e. monatomic ions are bigger than the atoms from which they are formed.

What is the mass of each element in a 324.8 sample of co2