MIXED INDICATOR 5 FOR AMMONIA TITRATIONS会员价请登录市场价￥2258原厂型号 1.06130.1000 贝雷猫货号 RH153902 品牌 默克密理博/Millipore 单件重量 1kg 货期 45天 单位: 1 L 包装: 1 L 库存: 0 数量: 1 L + - 11 L起订,增量11 L 加入购物车立即购买 累计成交0
After the mixture became colourless, 2.0 mL of HCl (1 M), 32 μL of AA (0.1 M) and 40 μL of seed solution were added sequentially as depicted in Fig. 1A. The mixed solution was subsequently kept at 30 °C for 18 h in an incubator (IQ822, Yamato Scientific Co., Ltd., Tokyo...
A solution of aqueous ammonia was titrated with H C l using phenolphthalein as the indicator. Is phenolphthalein an appropriate indicator for this titration? Why or why not? Which indicator would be an appropriate choice to determine the endpoi...
Which of the following acid-base indicators should be used for the titration of NH3 with HBr? Kb of ammonia is 1.8 x 10^{-5}. 1. Methyl red, color change red/yellow at 4.4 less than pH less than 6.2 2. Any of these is suitable. 3. Neutral red, color ch What is ...
MIXED INDICATOR 5 FOR AMMONIA TITRATIONS 会员价请登录市场价￥721 原厂型号1.06130.0250 贝雷猫货号RH153900 品牌默克密理博/Millipore 单件重量1kg 货期45天 单位:250 ML包装:250 ML库存:0 数量:250 ML+-1250 ML起订,增量1250 ML 累计成交0笔0条评价 ...
Which of the following acid-base indicators should be used for the titration of NH3 with HBr? Kb of ammonia is 1.8 x 10^{-5}. 1. Methyl red, color change red/yellow at 4.4 less than pH less than 6.2 2. Any of these is suitable. 3. Neutral red, ...
What color did the bromothymol blue indicator turn when it was added to the test tube containing citric acid? a. Colorless b. Yellow c. Blue d. Red pH Indicators: The pH scale is used to determine how acidic or basic a sub...
Salt: In our everyday language, we often think of salt as the table salt for cooking, which is sodium chloride (NaCl). However, more generally, salts are ionic compounds produced from acid-base reactions. Answer and Explanation:1 Option A is...