Suppose that the pH of distilled water is 6.2, what will be its resulting color using phenol red.
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- You should change it to Catechol (ml) 0.2 0.2 0.2 0.2 ml Turnip extract (ml) 0.1 0.1 0.2 Buffer (ml) 1 2 3 4 H₂O₂ (ml) Distilled H2O (ml) 1.7 1.2 1.1 1.1 Total Volume 0.5 0.5 0.5 0.5 0.5 pH 7 pH 7 pH 7 pH 7 0 0.5 0.5 0.5 2.5 2.5 2.5 2.8Make 800 ml of a 1X stock of lemonade from a 6X concentrated stock of frozen concentrate.Calculate the amount of each solution needed to make 750 mL if a dextrose 25% solution given only a Dextrose 60% solution and a Dextrose 5% solution This is the full question
- Why potato strip increase in size when placed in distilled water?The glucose content of samples can be determined using Nelson't test. The equation of the line for the standard curve preapred for varying concentrations of glucose is y = 3.0x + 0.2. Based from this information, determine the glucose concentration (in M) of a strawberry preserve having an absorbance reading of 1.35.You are provided with a stock solution of 80mM ATP .Hpw much of this solution added to how much distilled water do you need to mix to get 100mL of 15mM ATP solution?
- للتدة Consider the following compounds. O 2 3 Use the numbers shown to answer the following questions. If none of the structures is applicable enter the word none. An anhydride is represented by the structure numbered O O HC 1 CH3 HC 3 CH3Why efficascent oil is green liquid?Lipids from an organic sample are extracted separately by column chromatography using the ff eluants: 1st eluant - chloroform: methanol: water (6:3:1) 2nd eluant - methanol: chloroform (9:1) 3rd eluant – petroleum ether: ethyl ether (1:1) Test results for each eluate are tabulated below. Identify the possible lipid present in each eluate. Test Reagents 1. KHSO4 2. HNO3,(NH4)3MoO4 3. CHCl3, acetic anhydride, conc. H2SO4 4. -naphthol, conc. H2SO4 5. Hydroxylamine HCl, FeCl3 6. ninhydrin reagent POSSIBLE LIPIDS: Triacylglycerol, cholesterol, sphingomyelin, lecithin