Memorize that molarity = moles/liters and you can get these
B. As3 because potassium atoms do this to form ions with the same electron configuration as the noble gas argon
answer
The beach ball will go the farthest because it's the lightest.
The tennis ball will go second farthest because it is the second lightest.
The baseball will go the third farthest because it is th third lightest'
The bowling ball will go the least far because it is the last farthest