формула w = (n*ar) / mr * 100%
в каждом действии я не стала писать умножение на 100%.
h2s:
w(h) = 2 * 1 / 34 = 5,88%
w(s) = 1*32 / 34 = 94,1%
nh4cl:
w(n) = 1 * 14 / 53,5 = 26,2%w(h) = 4 * 1 / 53,5 = 7,5%
w(cl) = 1 * 35,5 / 53,5 = 66,4%
ca(h2po4)2:
w(ca) = 1*40 / 234 = 17%
w(h) = 4*1 / 234 = 1,7%
w(p) = 2 * 31 / 234 = 26,5%
w(o) = 8*16 / 234 = 54,7%
cacl2:
w(ca) = 1*40 / 111 = 36%
w(cl) = 2*35,5 / 111 = 64%
cu2co3(oh)2
w(cu) = 2*64 / 222 = 57,65%
w(c) = 1*12 / 222 = 5,4%
w(o) = 3+2 * 16 / 222 = 36%
w(h) = 2 * 1 / 222 = 0,9%
h2so4:
w(h)= 2*1 / 98 = 2,04%
w(s) = 1*32 / 98 = 32,65%
w(o) = 4*16 / 98 = 65.3%
h2s:
m(h2s)=34
w(h) = 2•1 / 34 = 5,88%
w(s) = 1•32 / 34 = 94,1%
nh4cl:
m(nh4cl)=53,5
w(n) = 1•14 / 53,5 = 26,2%w(h) = 4•1 / 53,5 = 7,5%
w(cl) = 1•35,5 / 53,5 = 66,4%
ca(h2po4)2:
m(ca(h2po4)2)=234
w(ca) = 1•40 / 234 = 17%
w(h) = 4•1 / 234 = 1,7%
w(p) = 2•31 / 234 = 26,5%
w(o) = 8•16 / 234 = 54,7%
cacl2:
м(cacl2)=111
w(ca) = 1•40 / 111 = 36%
w(cl) = 2•35,5 / 111 = 64%
cu2co3(oh)2:
м(cu2co3(oh)2)=222
w(cu) = 2•64 / 222 = 57,65%
w(c) = 1•12 / 222 = 5,4%
w(o) = 3+2•16 / 222 = 36%
w(h) = 2•1 / 222 = 0,9%
h2so4:
m(h2so4)=98
w(h)= 2•1 / 98 = 2,04%
w(s) = 1•32 / 98 = 32,65%
w(o) = 4•16 / 98 = 65.3%
ах..да..еще нужно нужно умножать на 100%..
Поделитесь своими знаниями, ответьте на вопрос:
Осуществить цепочку превращений: cu-cuso4-(cuoh)2so4-cu(oh)-cu(hso4)2-cuso4
cu + h2so4 = cuso4 + h2
cuso4 + h2o = (cuoh)2so4