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The molecular formula mass of this compound is 240 amu. What are the subscripts in the actual molecular formula?
Calculate the pH of the solution made by adding 0.50 mol of HObr in 0.30 mol of KOBr to 1.00 L of water. The value of Ka for HObr is 2.0 * 10^-9
bromothymol blue is a common acid-base indicator. it has a ka equal to 1.6 x 10-7. its unionized form is yellow and its
prior to engaging in this discussion please review chapters 6 and 9 read chapter 10 in the text and review any relevant
8 ml of the HCl was used to titrate the pK_a 3.8 group; so 2 ml was enough to titrate the rest of the high pK_a group. The upper pK_a group must have begun the experiment as 80% acid form, 20% base form.
how much heat in rm kj is evolved in converting 1.00 rm mol of steam at 160.0circ c to ice at -55.0circ c? the heat
For a particular redox reaction NO(2)^- is oxidized to NO(3)^- and Ag^+ is reduced to Ag. Complete and balance the equation for this reaction in a basic solution
Enter the simplest molecular formula for cyclopropane given that one molecular formula is (CH2)3. Enter formula in form of Cx Hy.
The oxidation of hyrogen by oxygen is one of the most-used reactions in fuel-cell technology. The overall reaction, which is given below, has a (Delta)G^o value of -474 kJ/mol.
A mixture of NaCl and NaBr has a mass of 2.05 and is found to contain 0.72g of Na. What is the mass of NaBr in the mixture?
A 100ml sample of sodium bromide containde co104.62g of sodium bromide. upon evaporation, 6.280g of reside was obtained. frome this data calculate each of the folowing for the solution
What is the pH at the equivalence point in the titration of 0.250M HX (Ka=6.2x10^-8) with 0.250M KOH
Find the normal boiling point of a saturated solution of LiF at 100C, assuming it undergoes complete dissociation. The solubility of LiF is 230 mg/100 g of water at 100C
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