A solution is a homogeneous type of mixture of two or more substances. A solution has two parts: a solute and a solvent.
Answer: 33.3 moles
Explanation: 67.2 g H2 = 67.2/2.016 = 33.3 moles
A.
Proteins → RNA → DNA
I think..
<span>Hope this helps. c:</span>
The magnetic fields are the reason why magnets repel and attract. eachother.