Answer:
Option A. the hydroxyl group (-OH)
Explanation:
Ethanol, CH₃CH₂OH belongs to the class of organic compound called alkanol.
They have general formula as R–OH
Where
R => is an alkyl group
OH => is the hydroxyl group
The hydroxyl group (OH) is the functional group of the alkanol (alcohol)
It’s lower, hope this helps with your issue and helps solve your problem, no problem
For #4 first find the molar mass(M) of copper then use that and the mass (m) n=m/M to find moles(n) using moles and the volumes find the concentration using c=n/V
- <em>NH</em> <em> </em><em>at </em><em>5</em><em> </em><em>atm</em>
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<h2><em>hope</em><em> it</em><em> helps</em><em>!</em></h2>
<em>correct</em><em> me</em><em> if</em><em> </em><em>I'm</em><em> </em><em>wrong</em>
