411 REFERENCE · Wikibooks
A-level Chemistry/OCR (Salters)/Constants
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ConstantSymbol for constantValueUnit(s)*Symbol for unit(s)Avogadro's numberL6.02 × 1023mol−1reciprocal molesPlanck's constanth6.63 × 10−34J Hz−1joules per hertzspeed of lightc3 × 108m s−1metres per second
* Note that SI units are shown in bold