1.
a. The solution goes from being unsaturated to saturated.
b.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjjlihUg_v7Y1-ofLetlwY416oDcrBuRGHm1-3C5kp0XPKV3vQ7Hc3I7E7FhsJ2HY0ZOeO9FcvhDlVqZHhH9TKBwpms3D5nBb6WnYMGwdC9yskhDIB40FI3z1m_FtZU8v3PYFbt7HjU76g/s200/IMG_5022.jpg)
2.
a.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhIktrHVp0cDwN3bMsRsViz1R361mhBQukHa0RQ2MheXcjw57urnTaMACnG_4wfitQqrT2R9BgDi3rfNButeZMJTx2FgR2FyqCKwXIpGFqp6tABQoEYBOaIOZri3EY-vsN3TF9ODwjVqEM/s200/Screen+Shot+2013-06-27+at+4.09.42+PM.png)
b.
i.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiWbY1mOvwG71_lhADAjGhYTcu8BtB2zhR8gnnxbub6pAUEnZmp5nXCTUowOEoBWUwNmoB96L9kTOJuGKRTyyx4MiX8OBgH8b6CeGw1G4d3L0B-TiYL7tIMHzSaI_IpQrV9VN6l65GYneU/s200/IMG_5024.jpg)
ii. 20 grams
3.
a.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg48MYgQCaAWMKUMmF6fCfEGnMzrO0IFNdpGFTks_W-wTmPejVOFsCRuSlTjTsc2y0KXJstpttGilRAXWLGYXqU2mDHaFlztqCk1zpVXOp5a0IybwdiawIGvi1lRftPB3is9aKJb6qGcn4/s200/IMG_5026.jpg)
b.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg3JTbLqqqFMQ87hQvauERdqYljnLZIx5WXH60hlF-3Ibqr-uu1RqrW5zrmceeQOWsL7Ie3kXx35V9ARs0xziJSL4zhYjzbm8szUVJ-4uI2jvnIykZQzBzPT6xFY2xs7hEh5yMYSAeZ68o/s200/IMG_5027.jpg)
c. The models in 3a and 3b are different because the model in 3b is less concentrated. The molecules are also more spread out as a result the additional water that was added, whereas in 3a, there is less water and the KCL molecules are closer together.
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