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- Precipitation Tests for Proteins - Word Decy Joy Garriel DJ Table Tools Table Design 2 Share File Home Insert Draw Design Layout References Mailings Review View Help Layout Tell me what you want to do X Cut - A A P Find Arial -||11 Aa v AaBbCcD AaBbCcD AaBbCcDc AaBbC AaBbCcC AaBbC AABBCCD 1 Normal No Spacing 1 No Spac. Heading 1 Heading 2 Heading 3 Heading 4 Le Copy ab Replace Paste BIU abe x, x A • ay A e Select Format Painter Clipboard Font Paragraph Styles Editing PART II: PRECIPITATION BY INORGANIC ACIDS TUBE NO. TREATMENT RESULT and OBSERVATION 1. 3 mL of Concentrated 5% egg HCI drop by albumin drop solution 2. 3 mL of 5% egg Concentrated H2SO4. albumin solution 3. 3 mL of 4. Sulfosalicylic Acid 5% egg albumin solution Generalization: Page 5 of 10 1245 words LE English (Philippines) & Accessibility: Investigate 100% 7:14 pm P Type here to search 23°C Rain 4») * A ENG W 26/12/2021 近Xph Ph 1. LDA, THF, -78C 2. CH3IIn the reaction H₂S + H₂O HS + H3O+ water is acting as a Bronsted Lowry base OH2S is acting as a Bronsted Lowry base OH30* is acting as a Bronsted Lowry base
- Give simple plants that can be used in acid-base titration.In an attempt to measure the effects of acid rain, researchers measured the pH (7 is neutral and values below 7 are acidic) of water collected from rain in Gurabo, Puerto Rico. 5.40 5.37 5.38 4.63 5.39 3.74 3.71 4.96 4.64 5.12 5.65 5.36 4.16 5.87 4.57 4.62 5.48 4.57 4.57 4.53 4.82 4.52 4.69 4.32 3.98 5.70 4.35 3.98 5.68 3.44 5.04 4.67 4.51 4.34 4.16 4.64 5.12 3.74 4.64 5.59 Draw the correct histogram. Many scientists consider rain with pH below 5.3 to be acid rain. What percentage of these samples could be considered as acid rain? Note: You may MS Excel, but you must submit the fileconcentration of tri-futylamine is 0.0995M the concentration of HCl: 0.10084
- The pH scale was designed to make it convenient to express hydrogen ion concentrations that are small in aqueous solutions. The definiton of pH is in terms of base 10 logarithms. pH = -log[H¹] where [H] is the hydrogen ion concentration. a. If the hydrogen ion concentration in a solution is 5.98 x 10-3 mol/L, the pH is b. If the pH of a solution is 3.171, the hydrogen ion concentration is mol/L.Which of the following is equal to pOH of 3.14? O IOH-) = 7.2 x 10-4 M O [OH] = 3.14 x 107 M O H)= 7.0 x 10-4 M %3D pH = 11 %3D O IH']= 1.4 x 10-10 M %3DK/s In this equation H2O +HF- H3O+ +F-1 H20 is a base and HF is its conjugated acid HF is an acid and F- is its conjugated base HF ica base and H30+ is its conjugated acid HF is an acid and H30 + is an base إلغاء
- Use the following two titration curves to answer each of the following statements. Select the choice that completes the statement correctly. Graph A Graph B 14 рH 7 pH 7 25 25 volume of titrant added (mL) volume of titrant added (mL)The pH scale was designed to make it convenient to express hydrogen ion concentrations that are small in aqueous solutions. The definiton of pH is in terms of base 10 logarithms. pH = -log[H+] where [H] is the hydrogen ion concentration. a. If the hydrogen ion concentration in a solution is 5.98 x 10-3 mol/L, the pH is b. If the pH of a solution is 3.735, the hydrogen ion concentration is mol/L.An engineer wants to determine whether a certain pH meter is working correctly. She uses the meter to measure the pH in 14 neutral substances (pH = 7.0) and obtains the data shown in the following table. 7.01 7.04 6.97 7.00 6.99 6.97 7.04 7.04 7.01 7.00 6.99 7.04 7.07 6.97 Is there sufficient evidence that the meter is not correctly measuring the pH?