Which of the following mixtures will be a buffer when
Which of the following mixtures will be a buffer when dissolved in 1 liter of water?
0.10 mol Ba(OH)2 and 0.20 mol HCl
0.30 mol KCl and 0.30 mol HCl
0.40 mol NH3 and 0.40 mol HCl
0.20 mol HNO2 and 0.10 mol NaOH
0.20 mol HBr and 0.10 mol KOH
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Return an array that contains the exact same numbers as the given array, but rearranged so that all the even numbers come before all the odd numbers. Other than that, the numbers can be in any order.
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If you add 0.35 g NaF to 150 mL of a 0.30 M HF, what is the pH of the resulting solution?
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