cemistry , performing lab .apparatus
3:18
Added: 2 years ago
From: lheiacutie
Views: 442
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  • you should use a weighing boat or paper to hold the anhydrous chemicals because the mass of the petri dish may affect the weight of chemicals that u desired.. ^_^

    scion171777 2 years ago

  • aww.haha

    lheiacutie 2 years ago

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