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Problem- How many grams of nach3coo and hch3coo need to be added to 0.500 l of water to create a buffet that is 100 mM acetic acid (buffer) with a ph of 5
Solve the above problem and provide steps with explanation
Calculate the rate constant of a first order reaction having a half life of 7.19 x 10-5 seconds. Enter your answer to 3 sig figs. Determine the bimolecular (second order) rate constant of a reaction if the initial reagent concentration decreases f..
A serving of kellogs corn flakes is 0.0892% K by mass. The USRDA for potassium is 6.0g. If one serving of corn flakes has a mass of 28.0g, and a volumeof 1.0 cups, how many cups would need to be consumed in order to eat the recommended daily allow..
Given the reaction 6CO2+6H2O-> C6H12O6+6O2. What is the total number of moles of water needed to make 2.5 moles of C6H12O6?
Elemental analysis is performed on an organic liquid with a fishy odor. Vaporization of 275.0 mg of the compound in a 190-mL bulb at 110°C gives a pressure of 400.0 torr. What is the molar mass of this compound? Enter units.
22.4 liters of a gas weighs 70g at S.T.P. Calculate the weight of the gas if it occupies a volume of 20 liters at 27C and 700mm Hg of pressure
Determine the value of pH of given solutions that are (a) a solution that is 0.40 M CH3CO2H, (b) a 0.40 M CH3CO2H solution, (c) 0.20 M NaCH3CO2. And explain your answer too?
A chemistry handbook lists the solubility of sodium Iodide as 184 grams per 100mL of water at 25 degrees celsius. How many moles of NaI can be dissolved in 100mL of water at 25 degrees celsius?
given that 24.0ml of 0.170 m sodium iodide reacts with 0.209m mercuryii nitrate solution according to the unbalanced
Use the Henderson and Hasselbalch equation to calculate the pH of a buffer solution that is 0.45 M in NH4Cl and 0.15 M in NH3
A balloon filled with 39.1 mol of He gas has a volume of 875 L at 0.0 degrees Celsius and 1.00 atm. The temperature is increased to 38.0 degrees Celsius as the balloon expands to 998 L at constant pressure. Calculate delta E for the He sample. C H..
What statement below best describes the graph representing the integrated 1st order rate law. plot of ln[a] vs t having a straight line negative slope equal to -k
Write both an equation using Lewis structures and a balanced chemical equation for the following reactions. Silicon atoms and chlorine molecules.
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