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Avogadro's number 6.02 X 10^23 is used in chemistry to measure something like electrons, atoms, elements etc.

Question 1 options:
True
False

If you have 2 moles of marbles how many marbles do you have?

Question 2 options:

3.01 X 10^24


12.04 x 10^23


6.022 x 10^23


2.0 x 10^23





How many hydrogen molecules are in 1.2 moles of hydrogen?


Question 4 options:


7.2 x 10^23



0.19 x 10^23



1.9 x 10^24



4.8 x 10^23



How many water molecules are in 2.1 moles of water?

Question 5 options:

2.86 x 10^23


3.4 x 10^23


0.34 x 10^23


1.264 x 10^23