Ответ:
Объяснение:
Mr(Ba3P2) = 137*3+31*2=473
W(P) = Ar(P) *n / Mr(Ba3P2) *100% = 31*2 / 473 *100% =13%
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Ответ:
Объяснение:
Mr(Ba3P2) = 137*3+31*2=473
W(P) = Ar(P) *n / Mr(Ba3P2) *100% = 31*2 / 473 *100% =13%