Brass Steel

Could someone identify a solute and the solvent in these solutions? Salt water, air, brass, and steel?

I was working on my homework and these 4 are the only ones I have problems with… Thank you!!!

Air – solvent is oxygen/nitrogen; solutes are things like helium, argon. CH4

Brass – solvent is copper/zinc; solutes are the trace metals (like Fe, Ni)

Steel – solvent is iron; solutes are Cr, Ni, Mn, C, etc.

2011 Scrap Metal Prices For Copper – Aluminum – Brass – Steel – Bronze – Lead in Australian Dollars

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