m Na = 6 g
M Na = 23 g/mol
M H₂ = 2 g/mol
2Na + H₂SO₄ ---> Na₂SO₄ + H₂
z 2 moli Na powstaje 1 mol H₂
2 * 23 g Na ------------ 2 g H₂
6 g Na ------------- x g H₂
m H₂ = 6 g * 2 g / 2 * 23 g = 0,26 g
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m Na = 6 g
M Na = 23 g/mol
M H₂ = 2 g/mol
2Na + H₂SO₄ ---> Na₂SO₄ + H₂
z 2 moli Na powstaje 1 mol H₂
2 * 23 g Na ------------ 2 g H₂
6 g Na ------------- x g H₂
m H₂ = 6 g * 2 g / 2 * 23 g = 0,26 g