2Al + 3S --------> Al2S3
gestosc glinu: ok. 2,7g/cm3
d=m/V
m= 2,7*2
m=5,4g glinu
54g Al --------- 96g S
5,4g Al --------X
X=9,6g S
M(Al)=27g
M(S)=32g
d=2,7g/cm³
V=2cm³
m=?
d=m/V /*V
m=d*V
m=2,7g/cm³*2cm³
m=5,4g
2Al+3S-->Al2S3
2*27g Al-----------------3*32g S
5,4g Al-------------------xg S
xg=5,4g*96g/54g
xg=9,6g
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2Al + 3S --------> Al2S3
gestosc glinu: ok. 2,7g/cm3
d=m/V
m= 2,7*2
m=5,4g glinu
54g Al --------- 96g S
5,4g Al --------X
X=9,6g S
M(Al)=27g
M(S)=32g
d=2,7g/cm³
V=2cm³
m=?
d=m/V /*V
m=d*V
m=2,7g/cm³*2cm³
m=5,4g
2Al+3S-->Al2S3
2*27g Al-----------------3*32g S
5,4g Al-------------------xg S
xg=5,4g*96g/54g
xg=9,6g