2. Consider HC2H30, and NaC2H302. Calculate the molar mass of HC2H302. Calculate the molar mass of...
A student titrated 15.0 mL of acetic acid acid, HC2H302 ( Molar mass= 60 g/mol) solution with 25.0 mL of a 0.100 M NaOH solution The Molarity(mol/L) of HC2H302 required for complete titration is? HC2H302 + NaOH - NaC2H302 + H20 A) 0.0250 M B) 0.250 M C) 2.5M D) 0.0167M E) 0.167 mol
Calculate the pH of a 0.24 M solution of NaC2H302 (for HC2H302 Ka - 1.8 x 10-5). O 4.94 09.06 8.64 5.36 Onone of these
Question 19 2 pts What is the molarity of an acetic acid solution if 25.00 ml of HC2H30, is required to neutralize 0.424 g of sodium carbonate (105.99 g/mol)? 2 HC2H2O2(aq) + Na2CO3(s) — 2 NaC2H302 (aq) + H2O() + CO2(g) D 0.320 M O 0.100 M 0.160M O 0.0800 M O 0.200 M
determind the actual and percent yield of NaC2H3O2
opt mmand 3. Determine the amount of excess reactant that remained in the flask. You will need to convert 0.062 mol of HC2H302 into grams to determined how much HC2H302 you started with, so you can subtract how much you used to determine the amount left in the flask. ь.obral icad 60.0619Haita z?72 3 Halb0e 28 9Nablen lholhalles: Ihnol Hahahd9Hang./6392 4. Calculate the actual yield of NaC2Hs02 by using the weight of...
2. Consider the reaction of 50.0 mL of 1.15 M HC2H302 with 50.0 mL of 1.30 M NH3. a. Give the net ionic reaction between these two reagents. H+(99) + NH3(aq) →NH4+(29) b. Calculate the moles of each reactant and indicate which reactant is the limiting reagent. Moles of HC2H2O2: 0.058 moles Moles of NH3: 0.065 moles c. Once the two reactant solutions are brought to the same initial temperature, they are mixed in a calorimeter, also at the same...
a) Calculate the molar mass of CH14. 1.2 b) Calculate the number of moles of hexane in 0.774 g of C&H14. c) Calculate the mass in grams of 0.0406 moles of hexane.
6. Given the following balanced reaction, 4 Fe +30 2 Fe,O3, Calculate the molar mass of Fe2O3. a. Fe 55.85(a) 111.7 l0.00 (3) 48. Molar Mass Molar Mass 1S9.7 3SP b. Given 79.8 g of Fe2O3, calculate the moles of Fe O3. Given: 79.8g Fs03 Find:ma Feaos 19.89 Fes Plan 9-mal 0.4 c. Based on Question 6b, calculate the moles of O,. Gven: 74.89 Feos Find mol 02 Qie.co() 79.8g Fe03 =30 32 Based on Question 6c, calculate the mass...
0.150 g benzophenone
0.100 g NaBH4
eagaph Show the theoretical result of the reactants and the product + Na,BO (CHszCHOH 1) For A al Calculate the formule molecular b) Molar mass i/mel ci Amount a Moles e) m 21 Fors a) Calculate the formuke mokcular bl Molar mass (mo c) Amount d] Moles 4) Calculate the formuk mobcua B) Molar mass (gimol co Amoune ig DI Moles El m A) Calculate the formde motecula B) Molar mass ie/mal Q Amount...
Molar Mass Determination by Freezing Point Depression Calculate and enter the freezing point depression of a solution of 57.6 g ethylene glycol (C2H602) in 734 g H20. Kffor H20 is 1.86 °C kg/mol. °C -2.53 1 homework pts Submit Answer Incorrect. Tries 3/5 Previous Tries A solution which contains 71.9 g of an unknown molecular compound in 363 g of water freezes at -3.85°C. What is the molar mass of the unknown? g/mol 1homework pts Submit Answer Tries 0/5 Molar...
2. Calculate the pH of a 0.10 M aqueous solution of sodium acetate, NaC2H302. (2 pts)