Titration?

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In a titration 25cm3 of ammonia solution react with 33.3 cm3 of 0.1M HCL. What si the concentrationof the ammonia solution in grams dm3??

2006-11-01 07:22:43 · 1 answers · asked by Joyce 4 in Science & Mathematics ➔ Chemistry

1 answers

NH3 + HCl ----> NH4Cl

moles of HCL reacted = .0333L * 0.1mol/L = 0.00333 mol
means there are also 0.00333 mol of ammonia.
mass of ammonia is 0.00333 mol * 17.0304 g/mol = 0.0567g
so, concentration of ammonia is 0.0567g/0.025L = 2.268g/L

2006-11-01 07:33:46 · answer #1 · answered by titanium007 4 · 1⤊ 0⤋