Vergelijkingen in evenwicht op de vorige dag |
PbO + Cu = Pb + CuO
KOH + H3PO4 = K3PO4 + H2O =>
3 KOH + H3PO4 = K3PO4 + 3 H2O
AgCl + Na2S2O3*5H2O = Ag2S2O3*5H2O + NaCl =>
2 AgCl + Na2S2O3*5H2O = Ag2S2O3*5H2O + 2 NaCl
H2SO4(aq) + Sr(OH)2(aq) = H2O(l) + SrSO4(aq) =>
H2SO4(aq) + Sr(OH)2(aq) = 2 H2O(l) + SrSO4(aq)