How to compute the molar concentration of the ammonia

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Reference no: EM13527984

A) a sodium hydroxide solution is standardized using 0.50g of solid oxalic acid, H2C2O4. Find the molarity of the base if 30.20 mL are required for the titration of phenopthalein endpoint. H2C2O4(s) + NaOH(aq) ---> Na2C2O4(aq) + H2O (l)

B)A. 10.0 mL sample of household ammonia solution requires 33.55 mL of 0.450 M HCl to reach neutralization. Calculate (a) the molar concentration of the ammonia and (b) the mass/ mass percent concentration of ammonia (17.04 g/mol), given a solution density of 0.983 g/mL. HCl + NH3 ---> NH4Cl(aq)

Reference no: EM13527984

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