Question 19 4 pts Determine the initial volume needed to generate 2.50 L of 1.50 M...
What volume of concentrated HNO3 (15.0 M) is needed to produce 1.50 L of a 3.00 M diluted solution of HNO3?
QUESTION 21 What volume of a 0.100 M HCl solution is needed to prepare 0.133 L of a 1.50 M HCl solution? 200 L a. 2.00 L Oь. 30.0L Oc. d. 1.13 L
1. (3 pts) Based on the balanced equation below, calculate the volume (in HNO3 needed to react with 1.50 g Cu. e the volume (in mL) of 10.0 M Cu(s) + 4HNO3(aq) → Cu(NO3)2(aq) + 2 NO2(g) + 2H20(1) 2. (2 pts) If at the end of the copper cycle experiment, the amount of copper recovered is 0.0177 mol Cu, what is the percent yield?
What is the initial volume, in milliliters, needed to prepare each of the following diluted solutions? A.) 110 mL of 3.5% (m/v) HCl from 13% (m/v) HCl B.) 400. mL of 0.40% (m/v) NaCl from 7.8% (m/v) NaCl C.) 9.00 mL of 2.50 M NaOH from 8.10 M NaOH
Question 3 Question 3 - 6 pts Calculate the volume of 0.106 M NaOH needed to neutralize a 50.00 mL sample of 0.0950 M HNO 44.81 ml 50.35 mL 55.79 mb 201 mL
Determine the volume in mL of 0.57 M HNO3(aq) needed to reach the half-equivalence (stoichiometric) point in the titration of 37.9 mL of 0.5 M CH3NH2(aq)(aq). The Kb of methylamine is 3.6 x 10-4. Enter your answer with two decimal places and no units. (how is the answer 16.62?)
D Question 44 4 pts 365 Molarity & solution concentration: Your answers need to have the correct number of significant figures To prepare 1.50 L of a 2.8 M solution using 650 mL of a stock solution, what concentration of stock solution would be required for this dilution?
Question 1 20 pts Please prepare 20 mL of 0.2 M NaOH, given a stock solution of 0.6 M NaOH. State the precise amount of the 0.6 M NaOH used and the amount of diluent (H2O) added Question 2 20 pts Please prepare 500 mL of a 1/100 dilution of serum from a tube with a 1/10O dilution of serum. Please state the volume of the 1/10 dilution of serum used and the volume of diluents (H2O) used 20 pts...
3. Short Answer Questions: (4 pts each a. A balloon that is 70.21 L at 12.1 degrees Celsius and 715 torr is released and just barely clears the top of Mt. Crumpet, near Whoville. If the final volume of the balloon is 88.53 L at a temperature of 2.28 degrees Celsius, what is the pressure experienced by the balloon as it clears Mt. Crumpet? (R = 0.0821 Latm/molK) b. Use kinetic molecular theory of gases to explain Boyle's Law relating...
Question 01 (15 pts) [will be checked for completion] How much acetic acid is needed (express in mg/L as C) to convert 50 mg/L of HNO3 to N2. The relevant reaction is shown below: rSmaldo dva a CH3-COOH + b HNO3 = m CO2+ n N2 +I H20 ne.o149 Ans: 11.906 mg/L CH3-COOH as C