Jaka objętość acetylenu powstanie w reakcji wody z 10 g karbidu zawierającego 96% wągliku wapnia.
10g karbidu ----- 100%
xg CaC2 ---------- 96%
x = 9,6g CaC2
mCaC2=64u
CaC2 + 2H2O ---> C2H2 + Ca(OH)2
64g CaC2 ------ 22,4dm3 C2H2
9,6g CaC2 ------ xdm3 C2H2
x = 3,36dm3 C2H2
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10g karbidu ----- 100%
xg CaC2 ---------- 96%
x = 9,6g CaC2
mCaC2=64u
CaC2 + 2H2O ---> C2H2 + Ca(OH)2
64g CaC2 ------ 22,4dm3 C2H2
9,6g CaC2 ------ xdm3 C2H2
x = 3,36dm3 C2H2