我做果時計錯- -..(好彩只係兩分)
不過e+計到
mass of solution = 57 000 kg
mass of HCl = 57 000 x 38%
= 21 660 kg
= 21 660 000 g
molar mass of HCl = 35.5 + 1.0
= 36.5 gmol^-1
no. of mole of HCl = 21 660 000/36.5
= 593 000 mol
volume of solution = 50 m^3
= 50 000 dm^3
molarity of HCl = 593 000/50 000
= 11.9 M
我做果時計錯- -..(好彩只係兩分)
不過e+計到
mass of solution = 57 000 kg
mass of HCl = 57 000 x 38%
= 21 660 kg
= 21 660 000 g
molar mass of HCl = 35.5 + 1.0
...
cla981085 發表於 1-5-2009 13:51