Delta H Calculation: 7.455 + 94 + 8.4

[aname]

Homework Statement

i'm not sure I used the numbers right

Relevant Equations

Determination of the dissolution enthalpy

-(7.455 so,94+8,4) Delta T

 

[Borek]

No idea what is what of what, please elaborate.

And please don't omit units.

 

[aname]

Hi Borek,

I need to calculate ΔH.
And I used this Formular -(msolution x csolution+C) ΔT

msolution= 7.455
Csolution=0,94
C=8,9

it this correct ?

 

[Chestermiller]

No. m of the solution is 187.5 g.

 

[aname]

No. m of the solution is 187.5 g.

Hi,
Can you explain me why the solution is 187,5

 

[Chestermiller]

There are 180 g of water and 7.5 g of KCl, totaling 187.5 g.