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You may change your response by submitting again. Chemical Formulas Scientific Notation Periodic Table Tables An...
Time Left: Item 6: Question bu may change your response by submitting again. Chemical Formulas Scientific Notation Periodic Table Tables Vhich of the following aqueous solutions are good buffer systems? 0.16 M hydrocyanic acid +0.13 M sodium cyanide 6.37 M potassium nitrate + 3.29 M calcium nitrate 0.15 M sodium hydroxide + 0.21 M sodium chloride 0.28 M ammonia +0.30 M potassium hydroxide 0.21 M hydrobromic acid + 0.23 M potassium bromide Resubmit Resubmit and Next : Mark this question...
Item 6: Question (10 pts.) Chemical Formulas Scientific Notation Periodic Table Tables compare the solubility of silver chloride in each of the following aqueous solutions: 0.10 M NaCH3COO 0.10 M Naci 0.10 M NH NOZ 0.10 M AgCH3COO 1) More soluble than in pure water. 2) Similar solubility as in pure water. 3) Less soluble than in pure water. Submit Submit and Next : Mark this question for later review. Skip to Previous Skip to Next
Item 7: Question (10 pts.) Chemical Formulas Scientific Notation Periodic Table Tables In the laboratory you are given the task of separating Ca2 and Zn2 lons in aqueous solution For each reagent listed below indicate if it can be used to separate the lons. Type "Y" for yes or "N" for no. If the reagent CAN be used to separate the ions, give the formula of the precipitate. If it cannot, type "No Y or N Reagent Formula of Precipitate...
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
need both please!!! more than one answer can be chosen for both! 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 HI 0.17 mol NH 0.08 mol KOH 0.08 mol HI 0.17 mol KCI Submit Answer Retry Entire Group No more group attempts remain An aqueous solution contains 0.26 M potassium hypochlorite. One...
Item 8: Question ou may change your response by submitting again. ssign an R/S designation to each of the molecules below. CIHẠC C HOBROCI A- A=S, B=s O ARBS Resubmit Resubmit and Next : Mark this question for later review. Skip to Previous Skip to Next
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...