Odpowiedź :
m Al₂S₃ = 150 u
m Al = 27u
m Al = 4 g
2 * 27 g 150g
2Al + 3S ----> Al₂S₃
4 g x g
m Al₂S₃ = 4 g * 150 g / 2 * 27 g = 11,1 g
m Al₂S₃ = 150 u
m Al = 27u
m Al = 4 g
2 * 27 g 150g
2Al + 3S ----> Al₂S₃
4 g x g
m Al₂S₃ = 4 g * 150 g / 2 * 27 g = 11,1 g