Question what is the mass of 4.5 moles of

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

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