Question

Calculate the moles of C2H6OC2H6O in 3.10x10241024molecules of C2H6OC2H6O.

Express the number of moles numerically.​

Answer 1

Answer:

In 5.148 moles there $3.10\times 10^{24}$ molecules of $C_2H_6OC_2H_6O$.

Explanation:

$N=n\times N_A$

Where:

N = Number of particles / atoms/ molecules

n = Number of moles

$N_A=6.022\times 10^{23} mol^{-1}$ = Avogadro's number

We have:

Number of molecules $C_2H_6OC_2H_6O$ = N = $3.10\times 10^{24}$

Moles of $C_2H_6OC_2H_6O$ = n =?

$n=\frac{N}{N_A}=\frac{3.10\times 10^{24}}{6.022\times 10^{23} mol^{-1}}$

n = 5.148 moles

In 5.148 moles there $3.10\times 10^{24}$ molecules of $C_2H_6OC_2H_6O$.