Multiple Choice
One mole of a substance contains 6.02 x 1023 molecules.The atomic number of Li is 3 and the atomic mass is approximately 7.If you have three moles of Li,how many grams does it weigh?
A) 9
B) 21
C) 7 x 6.02 x 1023
D) 3 x 6.02 x 1023
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q62: Mendeleev found that when he arranged the
Q63: Water is most dense and thus heaviest
Q64: The number of protons in a given
Q65: Water molecules are attracted to each other
Q66: The half-life of Carbon-14 is approximately 5,700
Q68: The carbonic acid and bicarbonate buffer in
Q69: The common basilisk lizard will run across
Q70: The negative logarithm of the hydrogen ion
Q71: Sodium has 11 electrons arranged in three
Q72: Your dog becomes ill and you rush