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Molecular formula : MW : CAS :
nature : Symbol M. When specify a basic unit of the molar mass, this basic unit of Symbol in parentheses immediately after the M is given. For example, M (1/2H2SO4). Definition of M (B) = m (B) / n (B). M-type (B) B for the material quality; N (B) to the material B quantity of the substance. Moore Quality of SI units to 1,000 g / Mount. Molar mass and relative molecular mass Mr between M = 10-3Mr (kg / Mount = Mr grams / Mount). Therefore, the adoption Mr or relative atomic mass can be directly given Ar its molar mass.
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