21. The empirical formula of a compound is CH2F. The gram formula mass of this compound is 66.0 g. The molecular formula of the compound is:

A C4H8F4

B C4H4F4

C C2H4F2

D CH2F

Because a model would make the investigation easier to understand

Since there is the same amount of agn03 in both silver chloride and silver nitrate they produce the same amount of moles. therefore silver chloride produces the same amount of silver nitrate, so your answer is 15.0 moles of silver nitrate. i hope this !

Mg-26 and mg-24 are pair of isotopes. isotopes are defined as atoms of the same element having same atomic number but different mass number. i hope that was .

Answer trigonal pyramidal;