CHEM 111 Lecture Notes - Oxygen-18, Molar Concentration, Sodium Hydroxide
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Amount of solute in a given volume of solution. Intensive property independent of volume and amount. M = moles of solute / liters of solution. 5 moles of naoh per 1 liter of solution. 2. 5 moles of naoh per 0. 5 l of solution. How many grams of na3po4 are there in 7. 5 x 102 ml of a 0. 60 m solution of na3po4: 0. 45 g, 204 g, 74 g, 7. 4 g ml g. 750 ml x 1 l / 1000 ml x 0. 6 mol / 1 l x 16394 g / 1 mol. Not the case with all types of concentration. Statement that expresses the amount and identities of substance involved in a chemical change. Mass is conserved total mass of reactants must equal total mass of the products. Only coefficients can be changed to balance the equation. Or, start with the most unusual atom (i. e. , metals) Include states of matter (s), (l), (g), (aq)
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