AgNO₃ + NaCl = NaNO₃<span> + AgCl
1 mol AgNO</span>₃ --------------- 1 mole AgCl
15 mol AgNO₃ ------------- ? mole AgCl
moles AgCl = 15 x 1 / 1
moles AgCl = 15 / 1
<span>= </span>15 moles AgCl
<span>hope this helps!</span>
About 8.0 moles of methane.Number of moles = MassMolar mass.
And thus we get the quotient:
128.3⋅g16.04⋅g⋅mol−1=8.0⋅moles of methane.
Note that the expression is dimensionally consistent, we wanted an answer in moles, and the quotients gives, 1mol−1=11mol=mol as required.