The molar mass of a certain metal carbonate. MCO3, can be
Chapter 17, Problem 108AP(choose chapter or problem)
The molar mass of a certain metal carbonate, \(\mathrm{MCO}_{3}\), can be determined by adding an excess of HCl acid to react with all the carbonate and then “back-titrating” the remaining acid with NaOH. (a) Write an equation for these reactions. (b) In a certain experiment, 20.00 mL of 0.0800 M HCl was added to a 0.1022-g sample of \(\mathrm{MCO}_{3}\). The excess HCl required 5.64 mL of 0.1000 M NaOH for neutralization. Calculate the molar mass of the carbonate and identify M.
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