Answer:
Explanation:
1 mol of methane = 6.02 * 10^23 molecules
6.70 mol of methane = x
Cross multiply
x = 6.70 * 6.02 * 10^23
x = 4.033 * 10^23 molecules.
22.9 grams
Hope this helps
Some metalloids, such as silicon and germanium, can act as electrical conductors under the right conditions, thus they are called semiconductors<span>. Silicon, for example, appears lustrous but is not malleable or </span>ductile<span> (it is </span>brittle<span> - a characteristic of some nonmetals).</span>
Answer:
I hope this is it. I'm not really sure.