4 points AB7. Predict: Based on the graph of the solubility of potassium nitrate,
how many grams of potassium nitrate do you think will dissolve in 100 ml
of water at 40 °C? (round to the nearest whole number)
180
160
140
120
Solubility (g/100 mL)
.888888888
100
80
60
40
20
0
10 20
80
90
100
30 40 50 60 70
Temperature (°C)

Imagine if during the cathode ray experiment, the size of the particles of the ray was the same as the size of the atom forming the cathode. which other model or scientific observation would have also been supported? 1. this would support dalton's postulates that proposed the atoms are indivisible because no small particles are involved. 2. this would support bohr's prediction about electrons moving in orbits having specific energy. 3. this would support bohr's prediction about electrons being randomly scattered around the nucleus in the atom. 4. this would support dalton's postulates that proposed that atoms combine in fixed whole number ratios to form compounds.