Period 3 contains the elements sodium to argon. This question asks about the chemistry of
each of the Period 3 elements or their compounds.
Sodium nitrate is a white crystalline solid. When heated it melts and the following reaction
occurs.
2NaNO3(l) → 2NaNO2(l) + O2(g)
A 3.40g sample of sodium nitrate is heated.
Calculate the
• number of moles of NaNO3 used, mol
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Ответ:
Continental crust is the relatively thick part of the earth's crust. Hope it helps