Question 3 (1 point) Solution Composition: Molarity What is the molarity of a solution that contains (7.75x10^-1) m...
Question 2 (1 point) When (4.51x10^1) g of magnesium hydroxide decomposes, magnesium oxide and water form. What mass of magnesium oxide forms? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer Question 3 (1 point) Solution Composition: Molarity What is the molarity of a solution that contains (7.75x10^-1) mol of NH4Cl in (4.134x10^2) mL of solution? (Example answer: 1.23e-2 or 1.23) Note: Your answer is assumed to be reduced to the highest power...
Question 3 (1 point) Solution Composition: Molarity and Volume How many milliliters of (2.45x10^-1) M RbHCO3 solution contains (2.069x10^1) g of the solute? (Example answer: 12.3 or 1.23e-3) Note: Your answer is assumed to be reduced to the highest power possible. Your Answer:
Question 3 (1 point) What is the molarity of a solution made by dissolving (5.27x10^1) g of ammonium chloride in water to make (5.3525x10^2) mL of solution? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: X10 Answer
Question 6 (1 point) What is the molarity of a solution made by diluting (1.77x10^1) mL of 18.7 M ammonia with enough water to form (3.0782x10^2) mL of solution? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
Question 5 (1 point) If (1.69x10^1) g of silicon react with (3.402x10^1) g of chlorine gas to form silicon tetrachloride. What mass of silicon tetrachloride forms? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: Answer Question 6 (1 point) What is the molarity of a solution made by diluting (1.77x10^1) mL of 18.7 M ammonia with enough water to form (3.0782x10^2) mL of solution? Note: Your answer is assumed to be reduced to...
Question 1 (1 point) What is the sum of the coefficients when the following is balanced: Al + Fe2O3 --> Al2O3 + Fe 04 O 12 09 08 Question 2 (1 point) A (9.45x10^1).00 g sample of lithium reacts with an excess of chlorine to form lithium chloride. What mass of lithium chloride forms? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer Question 3 (1 point) What is the molarity of...
Question 6 (1 point) What volume (in mL) of (1.06x10^1) M sodium hydroxide is needed to make (9.089 2x10^2) mL of 0.800 M solution? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
Answer Question 6 (1 point) What volume (in mL) of 13.5 M hydrochloric acid is needed to make (3.33x10^2) mL of (1.881x10^0) M solution? Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
An aqueous solution has a mole fraction of solute of (3.660x10^-2). The density of the solution is (1.20x10^0) g/mL and the solute has a molar mass of (8.3800x10^1) g/mol. What is the Molarity of solute of this solution? Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer. Do not round any intermediate calculations. Note: Your answer is assumed to be reduced to the highest power possible. Your Answer: x10 Answer
ing patient outcome probabilities (8 min) Tima Taker0-1522 Paulina Sda Varels: Attempt 1 Question 1(1 point) Save Recall that each of Your untreated patients had a 40% chance of dying what is the probability that all 20 of them die? Note that your answers in this quiz need to be in significant figure notation Note: Your answer is assumed to be reduced to the highest pawer passible. Your Answer x10 Question 2 (1 point) Saved Recal that each of yourtreated...