An ammeter measures rate of change of current or flow of charge?
Which salts cannot be prepared by an acid-alkali titration method? And why? A. Sodium sulfate B. Ammonium sulfate C. Potassium nitrate D. Iron(II) nitrate
Huh? What's the answer?
A solution of NaOH was obtained by dissolving 5.6g of NaOH pellets in 100cm^3 of water. What is the concentration of resulting solution?