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04-11-2008, 02:45 PM
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| Chemistry homework problem help?? Assuming no volume change on the mixing, what mass of ammonium chloride should be added to 250.0 mL of 2.5M ammonia to produce a solution of pH 10.70? Kb for ammonia is 1.8x10^-5? I have a lot of questions similar to this one, so if someone can please help me solve this, I'm sure I'll be able to figure the rest out. I just need some guidance at the moment. Please help! Thank you!      |
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