" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Mg S
x 8g
24g/mol 32g/mol
32x=8*24
x=6 g Mg
Zad 2
m= 20,7 g
M=207g/mol
n=m/M
n=20,7/207
n=0,1 mola
mS=32u
32g siarki------6,02*10²³ at. siarki
8g siarki--------x at. siarki
x=8*6,02*10²³/32
x=1,505*10²³ atomów siarki
mMg=24u
24g magnezu------6,02*10²³ at. magnezu
xg magnezu--------1,505*10²³ at. magnezu
x=1,505*10²³*24/6,02*10²³
x=6 g magnezu
2.
mPb=207u
207g ołowiu-------1mol
20,7 g ołowiu------xmoli
x=20,7/207
x=0,1 mola ołowiu