Solution Number 1
2
3
Salt amount is
16.0
11.7
7.2
3.4
0.0
Water
(ml)
60
60
60
60
60
Food coloring (drops)
2 Blue
2 Green
2 Yellow
1 Yellow, 1 Red
2 Red
5
Calculations:
1. Determine the density of each solution layer by using the calculation listed below:
Example: Solution #1
Mass = 16.0 g salt + 60 g water = 76.0 g solution
Volume = 60 ml water
Density = Mass/Volume = 76.0 g/60 mL = 1.27 g/mL
Solution #
Density
1
2
3
5

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml

The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?