A sample weighing 0.5742g contains potassium. Potassium is then precipitated as perchlorate, KClO4, whose weight is 0.42
Posted: Tue Jul 05, 2022 9:00 am
A sample weighing 0.5742g contains potassium. Potassium is then precipitated as perchlorate, KClO4, whose weight is 0.4240g. What is the percentage concentration of potassium in the sample?