Question

How many grams of sodium are 3.20 x 10^26 atoms of sodium ?

Answer 1

Answer:

12000 g Na

Explanation:

$\frac{3.2*10^2^6 mlcs Na}{1} *\frac{1 mol Na}{6.02*10^2^3 mlcs}*\frac{22.99 g Na}{1 mol Na}=12000gNa$

(make sure to keep only two significant figures)