<span>If you do not wash and dry the thermometer after every time you use it in this scenario, the temperature could be affected by the NaOH residue. This could make it so that your findings were inaccurate, so in order to be efficient, this precaution needs to be taken.</span>
12+70= 82 g
(12/82)x100 = 14.6%
The answer is given to one decimal place.
Es hora de comár. Es hora de comár :)
Then I would guess the answer is D because Na2OH is much more common and stable than Na2O is <span />
The reagent in the chemical reaction which oxidizes other reactants but itself reduces are called oxidizing agent.
Hope this helps, ask doubt in comment section below if you have one.
