The percentage of silver in a solid sample is determined gravimetrically by converting the silver to \(\ce{Ag+(aq)}\) and precipitating it as silver chloride. Failure to do which of the following could cause errors in the analysis?
- Account for the mass of the weighing paper when determining the mass of the sample
- Measure the temperature during the precipitation reaction
- Wash the precipitate
- Heat the \(\ce{AgCl}\) precipitate to constant mass