Answer:
This is an example of chemical change because the Kool aid dissolved and turned the water red
Solids - particles are very close together (highest density on the list)
Liquids - the particles slide past one another
Gases - particles bounce off of surroundings and the same particles of the gas
Velocity is speed and Direction. It does not include direction
<em><u>Given</u></em>
Weight of pottasium fluoride (KF) = 29 gms
<em><u>To find</u></em>
Number of moles of pottasium fluoride = ?
<em><u>Solution</u></em>
we know that molar mass of KF = 58.0967 g
Now,
<em>Number of moles = 29/58 = 0.5 moles</em>
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