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- Consider the following data on some weak acids and weak bases: acid base Ка K, name formula name formula -4 6.8 x 10 ethylamine C,H,NH, 6.4× 10 -4 hydrofluoric acid HF HCH,CO2 1.8 ×x 10 CH;N |1.7× 10 -5 acetic acid pyridine 1.7 x 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 М KI choose one 0.1 M NaF choose one 0.1 М C2HsNHзBr choose one 0.1 M C5H5NHCI choose oneConsider the following data on some weak acids and weak bases: acid name hydrocyanic acid hydrofluoric acid solution 0.1M NaCN 0.1 MKCI 0.1 MKF formula 0.1 MHONH, CI HCN HF Ка pH 4.9 × 10 6.8 x 10 10 base name hydroxylamine pyridine Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. Ko formula -8 HONH₂ 1.1 × 107 C₂H₂N 1.7×10 -9Determine the pH of a 0.21 M solution of pyridinium nitrate (C5H5NHNO3) at 25°C. [Pyridinium nitrate dissociates in water to give pyridinium ions (C5H5NH*), the conjugate acid of pyridine (K₁ = 1.7 × 107⁹), and nitrate ions (NO3).] pH = G
- Calculate the pH at 25 °C of a 0.24M solution of sodium hypochlorite (NaClO). Note that hypochlorous acid (HCIO) is a weak acid with a pk of 7.50. Round your answer to 1 decimal place. pH =Consider the following data on some weak acids and weak bases: name hydrocyanic acid acid nitrous acid 0.1 M NH4CI solution 0.1 M KBr 0.1 M CH3NH3Br 0.1 M KNO2 formula HCN Ka 4.9 × 10 HNO₂ 4.5 x 10 X - 10 -4 pH Use this data to rank the following solutions in order of increasing pH. In other words, select a '1' next to the solution that will have the lowest pH, '2' next to the solution that will have the next lowest pH, and so on. choose one 1 (lowest) choose one choose one name Ś base ammonia formula NH₂ Kb 1.8 × 10 -5 -4 methylamine CH3NH₂| 4.4 × 10Classify K2O strong acid weak acid strong base weak base
- Calculate the pH at 25 °C of a 0.26M solution of potassium cyanide (KCN). Note that hydrocyanic acid (HCN) is a weak acid with a pK of 9.21. Round your answer to 1 decimal place.Determine the pH of a 0.18 M solution of pyridinium nitrate (C5H5NHNO3) at 25 ° C. [Pyridinium nitrate dissociates in water to give pyridinium ions (C5H5NH+), the conjugate acid of pyridine (Kb = 1.7 × 10−9), and nitrate ions (NO3−).] pH =Consider the following data on some weak acids and weak bases: acid base K, a name formula name formula hydrocyanic acid HCN -10 4.9 x 10 NH3 ammonia 1.8 x 10 nitrous acid HNO2 | 4.5 × 10 pyridine C5H5N 1.7 × 10 Use this data to rank the following solutions in order of increasing pH. In other words, select a 'l' next to the solution that will have the lowest pH, a '2' next to the solution that will have the next lowest pH, and so on. solution pH 0.1 M NaCN v choose one 1 (lowest) 0.1 М KСI 3 4 (highest) 0.1 M NH4BR 0.1 M KNO2 choose one ♥
- Determine the pH of a 0.650 M solution of magnesium nitrite, Mg(NO2)2 at 25 °C. A solution containing 7.50 g of this salt is diluted with water until it reaches a pH of 8.18.What is its final volume? Give one example of a salt whose solution is expected to be acidic and briefly explain why. Give one example of a salt whose solution is expected to be basic and briefly explain why. You cannot reuse the compound in a) and b) to answer c) and d).Calculate the pH at 25 °C of a 0.36M solution of sodium hypochlorite (NaClO). Note that hypochlorous acid (HCIO) is a weak acid with a p K, of 7.50. Round your answer to 1 decimal place. pH ?Calculate the pH at 25 °C of a 0.20 M solution of sodium hypochlorite (NaCIO) . Note that hypochlorous acid (HCIO) is a weak acid with a pK, of 7.50. Round your answer to 1 decimal place.