1 mole of CH4 contains 6.02E23 molecules.
Each mols of CH4 has 4 mols H atoms.
What is 6.02E23 x 4 = ?
How many atoms of hydrogen are contained in 1 mole of methane (CH4)?
Is it 3.01 x 10 to the 24th
How many water molecules are in a 0.649 g sample?
Answer in units of molecules.
2 answers
Then how many mols H2O are in 0.649 g? H2O. That's 0.649/18 = approx 0.04
Then approx 0.04 x 6.02E23 = H2O molecules in 0.649 g H2O. You should recalculate since my numbers are estimates
By the way how did you come by your answer for the first part?
Then approx 0.04 x 6.02E23 = H2O molecules in 0.649 g H2O. You should recalculate since my numbers are estimates
By the way how did you come by your answer for the first part?