import math
from __future__ import division
#initialisation of variables
m=1000/18;
#RESULTS
print"Moles of H2O =",round(m,3);
import math
from __future__ import division
#initialisation of variables
m=2*0.4;
m1=0.8*(1.01+16.00+39.10);
#RESULTS
print"Moles of KOH =",round(m,3);
print"Mass =",round(m1,3);
import math
from __future__ import division
#initialisation of variables
m=3*5;
m1=15*(2.02+32.06+64);
#RESULTS
print"Moles =",round(m,3);
print"Mass =",round(m1,3);
import math
from __future__ import division
#initialisation of variables
v=(2*50)/10;
#RESULT
print"Volume =",round(v,3);