CHM152GW3 Su09 crib

Chemistry (MasteringChemistry Series)

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CHM152 Group Work 3 Crib 1. Write the formula and name for the conjugate acid for the following bases: a. NH 3 c. acid = ___ NH 4 + _ name = ___ ammonium ion___ b. PO 4 3- c. acid = _ HPO 4 2 - __name = _ monohydrogen phosphate ion _ c. CH 3 COO - c. acid = __ CH 3 COOH __ name = __ acetic acid___ d. F - c. acid = ___ HF __ name = ___ hydrofluoric acid _ 2. Write the balanced reaction for what happens when nitric acid is put in water. Draw the resulting solution in the beaker. HNO 3 (aq) + H 2 O(l) J NO 3 - (aq) + H 3 O + (aq) 3. Write the balanced reaction for what happens when acetic acid is put in water. Draw the
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Unformatted text preview: resulting solution in the beaker. CH 3 COOH(aq) + H 2 O(l) ' CH 3 COO-(aq) + H 3 O + (aq) 4. Write the balanced reaction for what happens when barium hydroxide is put in water. Draw the resulting solution in the beaker. Ba(OH) 2 (s) J Ba 2+ (aq) + 2 OH-aq) 5. What is the hydroxide concentration and pH if an aqueous solution has a hydronium concentration of 3.57 x 10-9 M. Is this solution acidic or basic? basic __ Kw / [H + ] = [OH-] = 2.80 x 10-6 M pH = -log[H+] = 8.447...
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This document was uploaded on 09/27/2011.

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