I can not edit, lack this privilege so I'll just add more notes.
on making crystals, if you have a hard time dissolving ZnO powder in ammonium, then turn on heat and heat solution upto 60 deg C.
place your hot boiling flask inside a bowl before freezing incase it breaks from thermal shock.
on making crystals, if you have a hard time dissolving ZnO powder in ammonium, then turn on heat and heat solution upto 60 deg C.
place your hot boiling flask inside a bowl before freezing incase it breaks from thermal shock.
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