Na+hcl = mg+hcl = al+hcl = mg+h3po4= ca+h3po4= zn+h2so4= al+h2so4= mgo+h2so4= zn+hcl = cao+hcl = fe2o3+hcl = fe2o3+h2so4= li2o+h3po4= mgo+h3po4= al2o3+h2so4= cu+hcl = mg+h2so4= nacl+hcl = na2so4+hcl = fe(oh)3+hno3= au+h2so4= h3po4+h2so4= na2co3+hcl= nacl+hno3=

na+hcl =nacl+h2

mg+hcl =mgcl2+h2

al+hcl =alcl3+h2

mg+h3po4=mg3(po4)2

ca+h3po4=ca3(po4)2

zn+h2so4=znso4+н2

al+h2so4=al2(so4)3

mgo+h2so4=mgso4+h2o

zn+hcl =zncl2+h2

cao+hcl =cacl2+y2o

fe2o3+hcl =fecl3+h2o

fe2o3+h2so4=

li2o+h3po4=

mgo+h3po4=

al2o3+h2so4=

cu+hcl =

mg+h2so4=

nacl+hcl =

na2so4+hcl =

fe(oh)3+hno3=

au+h2so4=

h3po4+h2so4=

na2co3+hcl=

nacl+hno3=

2na + 2hcl = h2 +2nacl

mg + hcl = mgcl2 + h2

2al + 6hcl = 2alcl3 + 3h2

2н3ро4 + 3мg= mg3(po4)2 + 3h2

2h3po4+3ca=ca3(po4)2+3h2

h2so4 + zn  = znso4 + h2

2al+3h2so4=al2(so4)3+3h2

mgo+h2so4=mgso4+h2o

zn + hcl  = zncl2 + h2

дальше лень

м(сnh(2n+1)cooh) = m(c)/w(c) = (12n+12)/0,5882

12n + 2n + 2 + 12 + 32 +1 = (12n+12)/0,5882

14n + 47 = (12n+12)/0,5882

(14n + 47)*0,5882 = 12n + 12

8,2348n + 27,6454 = 12n +12

27,6454 - 12 = 12n - 8,2348n

15,6454 = 3,7652n

n = 15,6454/3,7652

n = 4.

формула кислоты с4н9соон.

m(nacl)= mx w= 15 x0.07=1.05г w(nacl)= 1.05/25=0.042 или 4,2%