Number of ions in 4 formula units of naclo3 is equal to the number of:
a. electrons in neon
b. nucleons in sodium atom
c. protons in oxygen atom
d. isotopes of chlorine

What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol

The volume of a single vanadium atom is 9.29×10-24 cm3. what is the volume of a vanadium atom in microliters?

The student repeated the experiment using a higher concentration of acid. the same volume of acid and the same mass of magnesium ribbon were used. what volume of hydrogen gas would have been produced after 60 seconds?