The pH of a solution is determined by concentration of salt ⓇB relative concentration of acids and base dielectric constant of the medium O environmental effect
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- When acids are added to a solution, the pH should ___________ . a. decrease b. increase c. stay the same d. cannot tell without testingWhen dissolved in water, a(n) _____ donates H+ and a(n) ______ accepts H+. a. acid; base b. base; acid c. buffer; solute d. base; bufferThe negative logarithm of the hydrogen ion concentration of an aqueous solution defines the of that solution. (answer case-sensitive) none of the above basic alkaline O pH
- Matching Type Sample Type of Solution A. Isotonic 1. Sample A (1 cup syrup) 2. Sample B (1 ½ tablespoon syrup) 3. Sample C (purely distilled water) B. Suspension C. Hypotonic D. HypertonicTable 2. Volume of BSA, protein content, and absorbance readings of reference solutions Solution Volume of BSA standard solution (μL) Protein content(μg/mL) Absorbance value At 595 nm 1 0 0 0 2 10 1 0.022 3 30 3 0.065 4 50 5 0.106 5 70 7 0.178 6 100 10 0.299 7 120 12 0.380 Make a graph by plotting the absorbance values versus the BSA protein content (in μg) for theseven reference solutions. When constructing the graph, be…Put these aqueous solutions in order of decreasing freezing point 0.1 m NaCl 0.1 m MgCl2 0.1 m CH3OH 0.1 m Na3PO4
- Tris NaCl buffer is known as?I want a solution that is 1/10th the strength of my stock solution. I want 20 microliters of total volume of solution. How much stock solution and how much water should I add to acheive this?LA 4 R P % A LO 5 Macro PH T 6 pH Scale & Y 7 hp 18 U 8 Micro fg 9 K insert O My Solution P [
- H20 Pure water Positive pressure Negative pressure H20 H20 H20 Solute A В3 mL of a 45 mM stock solution of a substrate is added to 8 mL of water. Calculate the following values. The substrate molecular weight is 125 g/mol. Calculate the following values: Substrate Volume in mL Dilution Factor Substrate number of moles Substrate concentration for the diluted solution in mM Substrate concentration for the diluted solution in mole/L Substrate concentration for the diluted solution in mg/mLIn each picture, mark a plus + where the water concentration is higher, and a minus - where it is lower.