Обчислити кількість речовини глюкози масою 90 г

he was a good time with the same time with my family is in the world is not a good time with you all for a while ago and I have a.

4р + 5о2 = 2р2о5

n(p) = m(p)/m(p) = 77,5/31 = 2,5 моль.

по уравнению n(p2o5) = n(p)/2 = 2,5/2 = 1,25 моль

m(p2o5) = n(p2o5)*m(p2o5) = 1,25*142 = 177,5 г.

3na2so3+2kmno4+h2o=3na2so4+2mno2+2koh