Br₂ FeBr3

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Q: A 0.015 M solution of a weak acid, HA, is 17% dissociated. Calculate the Ka of the acid.

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Q: For the 178 Hf isotope, please write the following balanced nuclear reactions: 1. alpha decay 2.…

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Q: 4. Roughly calculate the weight of each of the three complexes, [COCI(NH3)5]Cl2, [CO(ONO)(NH3)5]Cl2…

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Q: Given: Keff of MgY² = 1.7 x 108 at pH 10.0. When 25.0 mL of 0.0100 M Mg2+ is mixed with 25.0 mL of…

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Q: What mass of NH4Cl (Mw = 53.492 g mol-1) has to be dissolved in 750 mL of 0.25 M NH3 (pKa = 9.26) to…

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Q: 3. SiI4 - use a black ball for silicon when constructing this model Total # of Valence Electrons: 32…

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Q: Calculate the pH of the following: [OH-] = 1 x 10-3 M

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Q: + 5. 6. 7. OH OH H3PO4 heat NO₂ OH PCC CH2Cl2 conc. HNO3

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