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QUESTION 1 What will be the Molarity of a solution that contains 4.6 moles of common...
QUESTION 9 In a hypertonic solution, water leaves the red blood cell, causing it to shrink. What happens to the cell is known as: Crenation Hemolysis Hypotonic
1.Determine the molarity of a solution that contains 8.4 moles of ethanol dissolved in 4.7 liters of solution. Answer to 2 decimal places. 2.Determine the mole fraction of ethanol, C2H5OH (Molar mass = 46.08 g/mol) when 13.4 grams of ethanol is dissolved in 96.1 grams of water, H2O (Molar mass = 18.02 g/mol).
QUESTION 13 The solubility of a gas in a liquid (water) decreases when the temperature: Increases. Decreases. QUESTION 14 Given the chemical equation for the auto ionization of water, select the correct product that should be in the blank space. H2O + H20 = + OH H30+ OH H20 QUESTION 15 Certain solution has a hydronium concentration of 1.0 x 10-mol/L, calculate the pH and select your answer. pH = 9 pH-8 pH - 10 QUESTION 16 Solutes that when...
We ſaken 0:16:43 UI) Requires Respondus LockDown Browser + Webcam Cecile Kamus. Attempt 1 Question 9 (1 point) Which of the following statements are correct? Gora raw Hypertonic solutions have a lower concentration of solute (salt) compared to a cell. This will cause cells to gain water. O A0.9% NaCl solution is isotonic to red blood cells. Hypotonic solutions have a higher concentration of solute (salt) compared to a cell. This will cause cells to lose water. 11 O A...
Question 14 (1 point) An artificial cell contains a solution of 90% water and 10% NaCl. The cell membrane is permeable to NaCl only. You place the cell into a solution of 50% water, 5% NaCl, and 45% glucose. Is the outside solution isotonic, hypertonic, or hypotonic when compared with the cell? isotonic hypotonic hypertonic Page 7 of 26 Next Page Submit Quiz 13 of 51 questions saved
Question 11 What is the molarity of Nat when 100.0 mol of Na2SO4 is dissolved in 20.00 L of water. (Assume the volume of solution equals the volum water.) 5.000M 10.00M 0.005000 M 0.01000 M Question 12 3 p What is the molarity of SO 2 when 100.0 mol of Na2SO4 is dissolved in 20.00 L of water. (Assume the volume of solution equals the volume of water.) 5.000M 10.00 0.005000M 0.01000M
1.) What is the molarity of a potassium hydroxide solution prepared by dissolving 2.74 g KOH in 4.2 mL of water? 2.) How many grams of sodium hydroxide are delivered by 6.8 mL of a 10 % solution in water? 3.) Hydrogen chloride (a gas) is dissolved into water to create hydrochloric acid, and therefore is a solution. Commercially available concentrated hydrochloric acid is sold as a 35 - 37 % solution. What molarity does this equate to? 4.) How...
145.0 moles of CaCO3 is dissolved in 5.0 L of water, what is the concentration of CaCo3? 20C940.6C12.8016 ASM OB 2.5M OC 1.5M 0,0.5M OE 1M QUESTION 29 A solution was made by dissolving 53.0 g of Na2CO3 in 500.0 mL of water. What is the molarity of this solution? (molarity - moles of solute/liters of solution) 1Na23, 6C12.8016 CA50M OR 2.0M OC 1.5M 0.0.5M OL 1.0M QUESTION 30 If 0.250 mol of NaOH is dissolved in 125.0 mL of...
3 pts Question 10 What is the molarity of a sodium chloride solution when 10.0 mol of NaCl are dissolved in 5.00 x 102mL of water? (Assume the solution volume equals the volume of water.) 20.0M 0.0200M 0.200M 2.00 M
Question 25 of 35 > What is molarity of A1+ ions in a solution prepared by dissolving 1.06 g of Al2(SO4)3 in 250,0 mL of water. Molar mass of Al2(SO4)3 is 342.15 g/mol. Enter your answer in the provided box. For this question, show your complete work in Part 2 Question 24 of 35 > An aqueous potassium iodate stock solution is made by dissolving 5.86 mol KIO, in sufficient water for the final volume of the solution to be...