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What calculations did you perform?

I ended up going with the first answer 0.49 based on my calculations

did you have \(\large \Delta T=i*K_b*m=2*(0.51~^oC/m)*\dfrac{(\frac{45~g}{25.9~g/mol})}{1.8~kg}\)

No and when I solve yours I get 25 which isn't a choice

you're solving it incorrectly, because i get 0.984555984555984583356

I'm so lost

I don't know who's right

I'm right lol you got 0.49 because you didn't take into account that i=2

Okay thank you so much

CaN I ask another

no problem, and sure, shoot.

The choices are
-2.25 J/(C*g)
-1.75 J/(C*g)
-0.444 J/(C*g)
-0.324 J/(C*g)

show your calculations

I can't I don't have a camera and my computers to old to type them in

so how am i supposed to see if you're doing it right?

its right

Okay thank you so much

no problem