I started a trial run of using the formation of a copper oxide compound to determine empirical formula. This one does not require heating to dryness to recover the compound for weighing. It does produce a lot of NO2 and requires some very low heating to accelerate formation of the copper oxide.
The solid product is filtered. I am letting it sit overnight on filter paper and inside the fume hood for drying and weighing tomorrow.
Will update if overnight drying is sufficient.
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