For reactant side
- Zinc is neutral so oxidation no is 0
For product side
Oxidation no ne x
Loss of electron is oxidation
Option B
There's a pattern. You have to learn about some other quantum numbers, subshells etc..
Btw 4th shell=32 e
5th shell=50
Answer:
B. It contains 15.0 grams of HNO₃ per 100 grams of solution.
Explanation:
- The percent of a solute in a solution is the mass of the solute (g) per 100 g of solution.
<em>So, an aqueous solution that is 15.0 percent HNO₃ by mass means that It contains 15.0 grams of HNO₃ per 100 grams of solution.</em>
<span>polyunsaturated!!! Hope this helps mark this the brainliest!</span>
