Homework Answers
As buffer is mixture of weak acid/base with its conjugate base/acid.
1) (b) and (c) is correct option
2)0.25 M HClO and 0.13 M HNO3
Add Answer to:
need both please!!! more than one answer can be chosen for
both!
An aqueous solution contains...
An aqueous solution contains 0.32 M potassium nitrite. One liter of this solution could be converted...
An aqueous solution contains 0.32 M potassium nitrite. One liter of this solution could be converted into a buffer by the addition of (Assume that the volume remains constant as each substance is added.) 0.31 mol KCIO4 |0.15 mol HNO3 0.32 mol HNO3 0.31 mol HNO2 0.15 mol Ca(OH)2 Submit Answer Retry Entire Group 8 more group attempts remaining An aqueous solution contains 0.32 M ammonia. One liter of this solution could be converted into a buffer by the addition...
An aqueous solution contains 0.18 M ammonium chloride. One liter of this solution could be converted...
An aqueous solution contains 0.18 M ammonium chloride. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) 0.18 mol HNO3 0.17 mol NH3 0.04 mol Ba(OH)2 0.08 mol HNO3 0.17 mol CaCl2
An aqueous solution contains 0.27 M sodium nitrite. One liter of this solution could be converted...
An aqueous solution contains 0.27 M sodium nitrite. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) 0.26 mol HNO2 0.13 mol Ba(OH)2 0.26 mol NaCl 0.27 mol HBr 0.13 mol HBr
An aqueous solution contains 0.32 M hydrofluoric acid. One Liter of this solution could be converted...
An aqueous solution contains 0.32 M hydrofluoric acid. One Liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) 0.080 mol Ba(OH)2 0.33 mol HC104 0.33 mol KF 0.16 mol HC104 0.32 mol KBT Submit Answer Try Another Version 9 item attempts remaining
An aqueous solution contains 0.29 M hydrocyanic acid. One Liter of this solution could be converted...
An aqueous solution contains 0.29 M hydrocyanic acid. One Liter of this solution could be converted into a buffer by the addition of: tul S (Assume that the volume remains constant as each substance is added.) U 0.15 mol HI O 0.30 mol HI t 0.29 mol KBr S U 0.30 mol KCN 0.073 mol Ba(OH)2 ot ts Submit Answer Try Another Version 1 item attempt remaining ot ts ts
An aqueous solution contains 0.33 M ammonia. One liter of this solution could be converted into...
An aqueous solution contains 0.33 M ammonia. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) MAY HAVE MORE THAN ONE ANSWER A. 0.34 mol NH4Br B. 0.16 mol NaOH C. 0.33 mol NaBr D. 0.16 mol HBr E. 0.34 mol HBr
An aqueous solution contains 0.31 M sodium cyanide. One liter of this solution could be converted...
An aqueous solution contains 0.31 M sodium cyanide. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) 0.15 mol HNO3 0.15 mol KOH 0.30 mol NaBr 0.31 mol HNO3 0.30 mol HCN
An aqueous solution contains 0.22 M hydrocyanic acid. One Liter of this solution could be converted...
An aqueous solution contains 0.22 M hydrocyanic acid. One Liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as cach substance is added.) 0.23 mol HCIO4 0.22 mol NaNO3 0.23 mol NaCN 0.054 mol Ba(OH)2 0.11 mol HCIO4 Visited
An aqueous solution contains 0.22 M ammonium chloride. One liter of this solution could be converted...
An aqueous solution contains 0.22 M ammonium chloride. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) 0.21 mol CaCl2 B 0.10 mol HBr 0.22 mol HBr 0.05 mol Ca(OH)2 0.21 mol NH;
1) Which of the following aqueous solutions are good buffer systems? . a. 0.29 M hydroiodic...
1) Which of the following aqueous solutions are good buffer systems? . a. 0.29 M hydroiodic acid + 0.20 M sodium iodide . b. 0.12 M barium hydroxide + 0.29 M barium chloride . c. 0.14 M nitrous acid + 0.12 M potassium nitrite . d. 0.34 M ammonium nitrate + 0.36 M ammonia . e. 0.31 M hydrofluoric acid + 0.29 M potassium fluoride . 2)A solution contains 0.486 M NH4I and 0.480 M ammonia. The pH of this...
An aqueous solution contains 0.32 M potassium nitrite. One liter of this solution could be converted into a buffer by the addition of (Assume that the volume remains constant as each substance is added.) 0.31 mol KCIO4 |0.15 mol HNO3 0.32 mol HNO3 0.31 mol HNO2 0.15 mol Ca(OH)2 Submit Answer Retry Entire Group 8 more group attempts remaining An aqueous solution contains 0.32 M ammonia. One liter of this solution could be converted into a buffer by the addition...
An aqueous solution contains 0.27 M sodium nitrite. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) 0.26 mol HNO2 0.13 mol Ba(OH)2 0.26 mol NaCl 0.27 mol HBr 0.13 mol HBr
An aqueous solution contains 0.32 M hydrofluoric acid. One Liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) 0.080 mol Ba(OH)2 0.33 mol HC104 0.33 mol KF 0.16 mol HC104 0.32 mol KBT Submit Answer Try Another Version 9 item attempts remaining
An aqueous solution contains 0.29 M hydrocyanic acid. One Liter of this solution could be converted into a buffer by the addition of: tul S (Assume that the volume remains constant as each substance is added.) U 0.15 mol HI O 0.30 mol HI t 0.29 mol KBr S U 0.30 mol KCN 0.073 mol Ba(OH)2 ot ts Submit Answer Try Another Version 1 item attempt remaining ot ts ts
An aqueous solution contains 0.22 M hydrocyanic acid. One Liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as cach substance is added.) 0.23 mol HCIO4 0.22 mol NaNO3 0.23 mol NaCN 0.054 mol Ba(OH)2 0.11 mol HCIO4 Visited
An aqueous solution contains 0.22 M ammonium chloride. One liter of this solution could be converted into a buffer by the addition of: (Assume that the volume remains constant as each substance is added.) 0.21 mol CaCl2 B 0.10 mol HBr 0.22 mol HBr 0.05 mol Ca(OH)2 0.21 mol NH;
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