\(concentration~in~g/dm^3 = \frac{mass~of~solute~in~g}{volume~in~dm^3}\) The units for concentration can also be shown as g dm-3, but this means the same as g/dm 3. 8 g of sodium hydroxide is ...
If we could see our own galaxy in its entirety, as we see NGC 6744, a twin galaxy 30 million light years away, measuring the Milky Way’s mass would be easy. But we see it from our place in one of its ...
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