Question

hi

calculate the mass of 2.5 gram atom of oxygen?


please answer the question correctly...
needed urgently the answer
the correct answer will definitely get brainlist.....​

Answer 1

ello dear!!

→1 g atom of oxygen = 16 g (which is equal to 1 mole)

→similarly 1 g molecule of oxygen = 32 g (O2) (which is also equal to 1 mole of O2 molecule)

→hence 2.5 g atom of oxygen = 2.5 x 16 = 40g.

hope this helps