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# Solutions, Formulas

### Ms. Singh's chpt. 10 formulas

M= (what's the formula) Moles of sol/ liters of soln.
Moles of concentrated solution = ______________________ moles of diluted solution
M^c x V^c = M^d x V^d, what can this formula be used to find? What do the variable stand for? To find the moles in a soln. M: Molarity V: Volume in liters
What is the formula for Raoult's law? delta P = X^2 x P^1 X: mole fraction
How do you find delta P in Raoult's law? Final VP - initial VP
Henry's Law? C^g = kP^g C^g: concentration of solution P^g: partial pressure of gas over solution k: constant found by dividing concentration of element/ 1 atm
Freezing Pt. Depression Delta T^f = k^f OR delta T = Original freezing temp - new freezing temp
Boiling Point Elevation Delta T^b = k^b OR delta T^b = Original boiling temp - new boiling temp
Osmotic pressure (pie symbol) = MRT = nRT/V (pie symbol) IS ONLY A VARIABLE NOT 3.14… **** R: .0821 T: Temp in KELVIN M: Molarity
Molality Moles of solute / kgs of solvent = m LOWERCASE "m"
Created by: 1092459825

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