Answer:
<h3>Oxygen is a non metal </h3>
Explanation:
It is colour less gas
Generally chemists measure substance in moles because it is very difficult to count the number of molecules<span />
Answer:
B : acid rain ?
Explanation:
how would humans- well i mean factories couldddddd produce it but uhhhh
The molecular formula for sodium chloride is NaCl. The sum of their atomic weights is (22.99 grams/mole + 35.45 grams/mole) = 58.44 grams/mole
take (17.0 grams)/(58.44 grams/mole), which equals 0.291 moles of NaCl.
Answer:
3 moles of O2 needed
Explanation:
2 moles of Mg to one mole O2
so 3 moles of O2 needed
