Hello, this will be your first tasks in physics:
1. What weighs most: 1,00^1 kilogram of fresh water with high opacity or 2 times 500 gram crystalized dihydroxid from Europe, Italy, Toscana?
2. A coin is made of 90% Au and 10% Cu (weight in pr. cent)
The mass of the coin is 14,16 gram – what is the density of the coin?
Good luck! �
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