Answer:
mass = 19.98 g
Explanation:
To find the mass of 1.11 mol of H2O we must first find it's molecular mass after that we use the formula
m = M × n
where
m is the mass
M is the molecular mass
n is the number of moles
From the question
n = 1.11 mol
Taking
M( H) = 1 g/mol , M(O) = 16 g/mol
We have
M( H2O) = 2 + 16 = 18 g/mol
So we have
m = 1.11 × 18
We have the final answer as
mass = 19.98 g
Hope this helps you
