W(э) = Ar(э) *n / Mr(в-ва) * 100%
W(K) = 39 * 1 / 158 * 100% = 24,68%
W(Mn) = 55 *1 / 158 * 100% = 34,81 %
W(O) = 16 * 4 / 158 * 100% = 40,5%
W(э) = Ar(э) *n / Mr(в-ва) * 100%
W(K) = 39 * 1 / 158 * 100% = 24,68%
W(Mn) = 55 *1 / 158 * 100% = 34,81 %
W(O) = 16 * 4 / 158 * 100% = 40,5%