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Unformatted text preview: Chapter 8: Solutions 8.1 Introduction to Solutions - A ﬁ'g'mim is a n mfg-D ems manure of 2 or more
substances where one substance is a x; 39.1w d another. . Solute: 3mg: Subsiance \oemoy dimmed" Hr i3 Hie
Rem Glaxndimyr. . Solvent: We Mo'smncc HR Semi»: disgiwei mm“ l \i \3 We mm abundant 8.2 Solubility - Solutes that dissolve in a solvent are S mmﬂe (ﬁwgaw in wa’rcy) o \m' mm mg} g solutes don't dissolve ((g Lg do not, 9“;ng qum) 0 When both solute and solvent are liquids this is called mgcmge
Wow A .r ' «\o Win v ‘5 on , - Only a Rania ngmﬂ'} we sum can dissolve in a given amount
of solvent at constant temperature and pressure. - Precipitation KWUNisic-di'la’riﬁni \S the Cyprian; é“? diioimflcj. Factors which affect solubility:
A. Polarity of solute 1. “Like Dissolves Like" 2. VCNM Sell/Lira oliSSOWc in POW Solvents H20 is a m or solvent. It can dissolve: NH3 ~ CH4 HBr C02
a polar a nonpolar a polar a nonpolar
compound _ compound compound compound 3. Nonppldv SMWKS (Naive; m rmPOiM Solvents Hexane is a Tien‘ggglgv solvent. It can dissolve: NH3 CH4 HBr co2 ' .
a polar a nonpolar a polar a nonpolar 7.
compound compound compound compound 4. Ionic compounds are sometimes soluble in Water
be thanon 3 Group 7A Sulfates Carbonates Phosphates
ions: ‘, <3 3 u-a») <9 ...
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- Fall '08