13.02.2009, 18:40
HNO3:
100% = 1300g
48,42% = 629,63
1 = Ca(OH)2
2= HNO3
n(2) = m/M = 629,46 /63 = 10 mol
n(1) = m/M = 0,148/74 = 0,002mol
V2 = z1*c1*v1 / z2 *c2 = (2*0,002*5000) / (1*10) = 2ml = 0,002Liter
Man braucht für den pH = 7 2ml HNO3.
100% = 1300g
48,42% = 629,63
1 = Ca(OH)2
2= HNO3
n(2) = m/M = 629,46 /63 = 10 mol
n(1) = m/M = 0,148/74 = 0,002mol
V2 = z1*c1*v1 / z2 *c2 = (2*0,002*5000) / (1*10) = 2ml = 0,002Liter
Man braucht für den pH = 7 2ml HNO3.
