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For which of the following equilibria does Kc correspond to the acid-dissociation constant, Ka, of H2PO4-1?<br/>a.H2PO4^-1(aq) + H2o(l) yielding H3PO4 (aq) + OH^-1 (aq)b. H2PO4^-1(aq) + H30^+1(aq) yielding H3PO4(aq)+ H2O(l)c. H2PO4^-1(aq) + H2O(l) yielding H3O^+1 (aq) + HPO4^-2(aq)d.HPOr^-2(aq) + H2O(l) yielding H2PO4^-1(aq) + OH^-1(aq)e. H3PO4(aq) + H2O(l) yielding H3O^+1 (aq) + H2PO4^-1(aq)
a) What mass of ammonium chloride would be required to make a 6.00 M stock solution?
Find thermodynamic data for ethanol (C2H5OH) in appendix B estimate the normal boiling point of ethanol as well as calculate the vapor pressure of ethanol at 25C
What are the partial pressures of these substances in the vapor above a solution of 1.54 mol of CH2Cl2 and 1.38 mol of CCl4 at 23.5°C
a-Calculate [OH-] of a 2.25×10^-1 M aqueous solution of hydroxylamine (HONH2, Kb = 1.1×10^-8).? part b-Calculate the pH of the above solution. pls show the step wise answer since i'm struggling with chem. (the full answer) to get the full rate:)
chlorination of ethane yields in addition to ethyl chloride a mixture of two isomeric dichlorides. what are the
The reactions that occur are CH4 + 2 O2 = CO2 + 2 H2O and 2 C2H6 + 7 O2 = 4 CO2 + 6 H2O. How many grams of oxygen are needed to react completely with 50.0 grams of the hydrocarbon mixture
A 269 mg sample of rock was found to have 2.45 × 10-6 mol of potassium-40 (t1/2 = 1.3 × 109 yr) and 2.45 × 10-6 mol of argon-40. How old was the rock? What assumption is made about the origin of the argon-40?. Enter your answer in scientific notat..
how to determine the carbondioxide content of the air in your lungs as a function of time after inhalation by a
Certain yeast can degrade glucose into ethanol and carbon dioxide in a process called alcoholic fermentation according to the equation:
Assume that in the synthesis of isoamyl acetate a student began with 6.106 grams of acetic acid as well as 3.84 grams of isoamyl alcohol. If the mass of isoamyl acetate obtained were 4.97 explain what the percent yield was
C is unique in its ability to form single , double and triple bonds with another C atom. Predict the structure of the following compounds.
Calculate the pH of a buffer solution prepared by dissolving 0.20 mole of cyanic acid (HCNO) and 0.80 mole of sodium cyanate (NaCNO) in enough water to make 1.0 liter of solution. Ka(HCNO) = 2.0 x 10-4
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