Just today I’ve noticed in the wrap of my liquid soap there’s a “290g/300ml” on it. Weren’t those two measures supposed to be equivalent? Or have they lied to me my whole life? Lol
In: Chemistry
A kilogram was defined as the weight of 10^-3 cubic metres of water at standard atmospheric conditions (15°C, 101325 Pa Air pressure). (It’s been redifined in relation to the boltzman constant now, but that’s not important). Liquid soap, whilst it’s mainly water, is not exclusively water, and as such it’s possible for it’s desnity to not be exactly 1kg/l.
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