Odpowiedź:
MNa = 23uMS = 32uMO = 16uMNaSO4 = 2 * 23u + 32u + 4 * 16u = 142u 2Na + H2SO4 --. Na2SO4 + H246u -------------------- 142u4,6g ------------------- xx = 4,6g * 142u/ 46u x =14,2g
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Odpowiedź:
MNa = 23u
MS = 32u
MO = 16u
MNaSO4 = 2 * 23u + 32u + 4 * 16u = 142u
2Na + H2SO4 --. Na2SO4 + H2
46u -------------------- 142u
4,6g ------------------- x
x = 4,6g * 142u/ 46u
x =14,2g
Wyjaśnienie: