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Title: You have solutions of 0.200 M HNO2 and 0.200 M KNO2 (Ka for HNO2 = 4.00 104). A buffer of pH 3.000 ... Post by: Whaley on Mar 21, 2021 You have solutions of 0.200 M HNO2 and 0.200 M KNO2 (Ka for HNO2 = 4.00 × 10–4). A buffer of pH 3.000 is needed. What volumes of HNO2 and KNO2 are required to make 1 liter of buffered solution? ▸ 500 mL of each ▸ 286 mL HNO2; 714 mL KNO2 ▸ 413 mL HNO2; 587 mL KNO2 ▸ 714 mL HNO2; 286 mL KNO2 ▸ 587 mL HNO2; 413 mL KNO2 Title: You have solutions of 0.200 M HNO2 and 0.200 M KNO2 (Ka for HNO2 = 4.00 104). A buffer of pH 3.000 ... Post by: ellaraienm on Mar 21, 2021 Content hidden
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