Which of the following is a common groundwater contaminant?
2 answers:
You might be interested in
Answer:
<h3>The answer is 4.41 g/cm³</h3>Explanation:
The density of a substance can be found by using the formula
From the question we have
We have the final answer as
<h3>4.41 g/cm³</h3>Hope this helps you
Answer:
Explanation:
You need to remember that the oxidation number of H is +1, except when it is in a metal hydrites like NaH, where its oxidation number is -1. Then, the oxidation number of O is -2, but in peroxides is -1. So with these rules you just have to multiply the ox. number with the name of atoms and all the elements in the reaction must sum 0.
