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Find number abc

If 678b4 + 6ac76 = ac9a30 find number abc. Multiple solutions may exist.

Correct answers: 25

The first user who solved this task is Nasrin 24 T.

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Blonde Restroom Attendant

Q: Why did the blonde quit her job as a restroom attendant?
A: She couldn't figure out how to refill the hand dryer!

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Dissociation theory

In 1883, Svante Arrhenius was struck by the ideas for his dissociation theory during a sleepless night. This theory explains that substances like salt (ex. sodium chloride) when dissolved in water, dissociate (separate) into electrically charged ions (ex. positive sodium ions and negative chloride ions). The idea was controversial at first, but is now a basic fact in understanding the chemistry of ionic compounds.

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