Sydney grammar chem (1 Viewer)

[kkk579]

How to do these qs? Help needed asap!!

 

[kkk579]

Bump pls help asap

 

[Jonathon Dwight Jones]

guacamole

 

[kkk579]

pls help

 

[cossine]

pls help

The solution for Q37 seems be given in the picture you posted. The first step would be figure out what you don't understand

 

[wizzkids]

Evaporite minerals are sedimentary deposits that have precipitated from hot aqueous solutions. Therefore they almost invariably contain some water of crystallisation. For example, a very common evaporite mineral is hydrated gypsum, whose chemical formula is CaSO₄. 2H₂O. Therefore I would include in the gravimetric analysis an allowance for a certain amount of water.

 

[ButteryNucleotide]

thank goodness i didnt pick chem

 

[gmenoza]

is this prelim? what do you need help with u have the sol