n(NaOH) = m(NaOH) : M(NaOH) = 8 : 40 = 0,2 моль
N(NaOH) = n(NaOH) × Na = 0,2 × 6,02×10²³ = 1,204×10²³ молекул
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n(NaOH) = m(NaOH) : M(NaOH) = 8 : 40 = 0,2 моль
N(NaOH) = n(NaOH) × Na = 0,2 × 6,02×10²³ = 1,204×10²³ молекул