Ch13 Concentration

Concentration Calculations Chapter 13

Concentration Calculations Correctly label one as…. 1.5 M HCl acid & 4.5 M HCl acid Which bottle has the higher concentration? Explain Draw the images 4.5 M A B 1.5 M Higher Molar value (M) = Higher concentration A B

Calculating Concentration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],M = n V Amount of substance (moles) Volume in (Liters)

Concentration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],A B

Concentration Problems ,[object Object],[object Object],M = n = V = 5.5 moles 2000 mL ? moles / L 1000 = 2 L Setup = 5.5 moles 2 L = 2.75 moles/L or 2.75 M What is the concentration? M = n V

Concentration Equation ,[object Object],[object Object],M = n V V V M M M = n V M  = n V M• = n V V = n M V = n M

Concentration Problems ,[object Object],[object Object],[object Object],g M = n = V = 60 grams 500 mL ? moles / L 1000 = 0.5 L Setup = = 1.08 moles / L Ca 1 (40 g) Cl 2(35g) MM = 110 g/mole 60 grams 110 mole n = 0.54 mole or 1.08 M 1 0.54 mole 0.5 L M = n V

Ch13 Concentration

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