<p>Hi guys,</p>
<p>We just did a lab on calometry in our AP chemistry class. We were given an unknown salt and the mass of it. Then we measured the volume of water we had to mix with this unknown salt. We also measured the temperature of the water before/after the dissolving in a cup (closed with another cup ontop)
To find the unknown salt we had to use this formula q=mcdeltaT
and made it equal like this: q of unknown salt = q of water
Then solve for c of unknown salt.
since the temperature change was 10 degrees C do i include that in both sides of the "deltaT" part of the formula? I did that and my answer was 10 times more than it should have been, which means that I shouldn't have included 10degrees C temp change on the unknown salt part of the equation??</p>
<p>Please help! I'm really stuck!</p>