The initial concentration of solution is 0.0693 M. The volume of solution taken is 10 mL and it is diluted to a final volume of 500 mL.
According to dilution law, the product of initial concentration and volume is equal to the product of final concentration and volume as follows:

Here,
is initial concentration,
is final concentration,
is initial volume and
is final volume.
Rearranging to calculate final concentration,

Putting the values,

Therefore, concentration of the resulting solution is 0.001386 M.
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Answer:
It may be C or D I'm not sure, but I think it is C you can go with whatever you think is best but I'm most likely sure that it is C. Sorry if this helpful or I got it wrong but it is. I hope this helped tho!
Explanation:
Answer:
Exothermic Reactions.
Explanation:
Reactions that release energy are called exothermic reactions.
Whereas that absorb energy are called Endothermic reactions.
More energy is being released to the surroundings than was absorbed to initiate and maintain the reaction in case of exothermic reactions.
Burning of a candle is an exothermic reaction.