Forsolutionsofacids athephliesbetween and

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Unformatted text preview: other data obtained by measurement. 4 Chemistry 52 EXPERIMENT #3 SUMMARY OF pH OF ACIDIC AND BASIC SOLUTION D I C NEUTRAL B A S I C A C I pH 0 1 2 3 4 5 6 1. Strong Acids and Bases Formulas and Concentrations ­ (expressed as:1 x 10 n) 2. Weak Acids and Bases Formulas and Concentrations ­ (expressed as:1 x 10 n) PART III: IDENTIFICATION OF UNKNOWN Unknown Number: Concentration: _____ 0.1 M pH: pOH: _____ _____ + [H ]: _____ M ACID or BASE: [OH- ] : _____ M __________________ STRONG or WEAK: ____________________ FORMULA OF UNKNOWN: _____________ 5 7 8 9 10 11 12 13 14 Chemistry 52 EXPERIMENT #3 Questions concerning the pH of acidic solutions. A careful analysis of your graphs in Part I & Part II and the Summary on page 3 will assist you in answering the questions that follow: For all aqueous solutions, the pH lies between ____ and ____ Infinitely dilute solutions (very low concentrations) will have the same pH as water, that is _____ 1. For solutions of acids: A) The pH lies between: _____ and _____, + The corresponding [H ] ion concentration lies between: _____ and _____ B) The _______________ the pH value, the ____________________the solution. (lower or higher) (more acidic or less acidic) + 2. What is the relationship between the concentration of strong acids and the [H ] ion concentration of their solutions? 3. In general, what is the relationship between the concentration of weak acids and + the [H ] ion concentration of their solutions? 4. In general, at a given molarity, solutions of ______________________ are (weak a...
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This document was uploaded on 03/18/2014 for the course CHEM 52 at Los Angeles Mission College.

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