Question
the number of electrons present in 18 ml of water at 4 degrees celsius?
a)6.023*10^24
b)6.023*10^23
c)4.76*10^21
d)4.76*10^20
a)6.023*10^24
b)6.023*10^23
c)4.76*10^21
d)4.76*10^20
Answers
DrBob222
If you assume the density of H2O is 1 g/mL, then 18 mL has a mass of 18 grams.
mols H2O = grams/molar mass = ?
There are 6.022E23 molecules in 1 mol.
There are 10 electrons in 1 molecule of H2O.
BTW, Avogadro's number is 6.022E23 and not 6.023E23.
mols H2O = grams/molar mass = ?
There are 6.022E23 molecules in 1 mol.
There are 10 electrons in 1 molecule of H2O.
BTW, Avogadro's number is 6.022E23 and not 6.023E23.