Calculate the number of moles of HCl contained in the two volumes of HCl solution (25.0ml and 50.0mL: remember to use the molarity of the solution rather than the molar mass of HCl to find molarity).
Calculate the number of moles of HCl contained in the two volumes of HCl solution (25.0ml...
Calculate the number of HCl moles in 6.50 mL of 12M HCl solution
Calculate the concentration of HCl in the 250.0 mL volumetric flask and calculate the excess number of moles and total number of moles of HCl added to the alkali metal carbonate. From the total number of moles of HCl added and knowing the excess number of moles, calculate the moles of HCl that reacted with M2CO3. Use the following data for the calculations: mass of m2co3 transferred = 0.3877 g volume of 1mol HCl added to alkali metal = 20...
44. For each determination calculate the number of moles of HCl and of Naon that were present when you mixed 50.0 mL of 2.00M HCl with 51.0 mL of 2.00M NaOH, using Equation 5. determination 1 mol HCI determination 2 _mol HCI mol NaOH mol NaOH 5. For each determination, calculate the number of moles of NaOH that reacted when you mixed 51.0 mL of 2.00M NaOH with 50.0 mL of 2.00M HCl. determination 1 determination 2 6. For each...
Calculate the molarity of a 200 mL HCl solution if the solution contains 5.43 grams of HC:i HCl molar mass 36.46 g)
In Part A, you explored the relationship between molarity, the number of moles, and solution volume. However, when you prepare a solution, you are unable to directly measure the number of moles of solute. Instead, you can mass the solute and convert between the number of moles and mass using the molar mass of a substance as a conversion factor. The molar mass of a substance can be calculated based on its molecular formula; otherwise, it can be calculated from...
In Part A, you explored the relationship between molarity, the number of moles, and solution volume. However, when you prepare a solution, you are unable to directly measure the number of moles of solute. Instead, you can mass the solute and convert between the number of moles and mass using the molar mass of a substance as a conversion factor. The molar mass of a substance can be calculated based on its molecular formula; otherwise, it can be calculated from...
If the original solution contained 0.12 mol HCI, what amount of HCl, in moles, will remain when the reaction is complete? 1.4 g Zn reacted. mol resubmit Incorrect The balanced equation for the reaction is Zn +2 HCI - ZnCl2 + H2 Determine the moles of HCl required for reaction with 1.4 g Zn and subtract that amount from the mol of HCI available
1- Calculate the molarity of a HCl solution that contains 44.2 g of HCl in a total of 1250mL of solution. 2- How many mL of a 0.350 M LiOH solution contain 0.0171 moles of LiOH?
Using your data from the experiment, calculate the initial moles of HCl that you started with. ( for this problem you will use your initial concentration of HCl and your 50 mL volume to solve). Trial 1 trail 2 Mass of KHP (KC8H5O4) (g) .29 g .21 g Moles of KHP .000422 .00422 Moles of NaOH .01M .01M Volume of NaOH .0247 .0222 Molarity of NaOH .0575 .0464 Average molarity of NaOH .0516 M
QUESTIONS 1. Determine the concentration of the HCL solution from the data for the standardization of the HCL with the Na2CO3 2. using your data, calculate the moles and mass of acetylsalicylic acid in each tablet (molar mass=180.16g/mol) 3. Using your data, calculate the % by mass of aspirin in the tablet DATA: 1. Make two solutions; Add 1 tablet of aspirin to an erlenmeyer flask 2. using a 50mL pipette, add 50.0mL of NaOH to the tablets in the...