7. The molar mass of pottasium dichromate(K2Cr2O7) = 294 g.
Okay ...................x
Answer:
<h2>when the pH is 7 it turns green</h2>
Explanation:
<h3>In the middle, neutral pH 7 is indicated by green.</h3>
<u>i</u><u>n </u><u>water </u><u>also</u>
The second answer would be correct.
When fossil fuels combust, compounds such as NOₓ (Nitrogen Oxides) and SO₂ (Sulfur Dioxide). These compounds can then react with the environment to form the acids sulfuric acid and nitric acid, which, when reacted with water, release H₊ ions. The higher the concentration of H₊ ions, the more acidic the solution.
It was called Pangaea. That is what he called it. <span />