Answer:
#2 Empirical formula _Na3S4O9____
Molecular formula ___Na6S8O18__
Explanation:
I want to say addition. But I have a tendency to be wrong
Answer:
32.23 to 4 significant figures.
Explanation:
The molar mass of the element is the mass of 6.022 * 10^23 atoms (Avogadro's number).
So by proportion it is 6.022 * 10^23 * 3.88 / 7.25 * 10^22
= 32.23 to 4 significant figures.
Sandstone is a sedimentary rock. The characteristics that you would <span>look for in a piece of sand stone are B. rock layers have small rocks or fossils in them. </span>
Digestive. This also includes the intestines.
