mNa=23u
2Na + 2H2O---->2NaOH + H2
46g Na------2g H2
4,6g Na------xg H2
x = 0,2g H2
m=0,2g
d=0,09kg/m3=0,09g/dm3
v=?
v=m/d
v=0,2/0,09
v = 2,22dm3 H2
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mNa=23u
2Na + 2H2O---->2NaOH + H2
46g Na------2g H2
4,6g Na------xg H2
x = 0,2g H2
m=0,2g
d=0,09kg/m3=0,09g/dm3
v=?
v=m/d
v=0,2/0,09
v = 2,22dm3 H2