Question

if 3.011 x 10^23 molecules have a mass of 20.04 grams, what is the mokar mass if this substance?

8) If 3.011 x 1023 molecules have a mass of 20.04 grams, what is the molar mass of this substance? A) 40.08 g/mol B) 10.02 g/mol C) 20.04 g/mol D) 6.658 x 10-23 g/mol E) none of the above

Answer 1

Therefore, correct option is (A).

Question 8 for this, use definition of mole lecules Avogadro Number Givenman Molar Mass - O molecules Given No.of molecules = 3-0171023 Give Чем » 20. оч намаз Avogadro Number 6-022 x 1023 O molecules/ 3.gtx 1073 molecules 20.04g 2 Conxo molecules/mol Molar Mass Molar Mass - 20:049x2 mo Molar Mass = 40.08 qual