Answer: 25.5°C
Explanation: take the average of the reading i.e (25 + 26)/2= 25.5
For the Lewis diagram of the cyanide ion, a
figure is shown.<span>
There are 3 pairs of bonding electrons. There is a
one lone pair each for the carbon and the nitrogen atoms.</span>
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Answer:
The molarity of the solution is 7,2 M.
Explanation:
A dilution consists of the decrease of concentration of a substance in a solution (the higher the volume of the solvent, the lower the concentration).
We use the formula for dilutions:
C1 x V1 = C2 x V2
180 M x 100ml = C2 x 2500 ml
C2= (180 M x 100ml)/2500 ml
<em>C2= 7,2M</em>