Examlex
In a qualitative cation analysis, the unknown ion is unaffected by HCl, but is precipitated by hydrogen sulfide. The unknown ion is ________.
Q3: The solubility of a salt MX2 with
Q12: Concentrated solutions of iron (III) chloride, sodium
Q36: For the following chemical equilibrium, Kp =
Q44: When solid silver chloride is shaken with
Q50: For the reaction: CH<sub>4</sub>(g) + 2 H<sub>2</sub>O(g)
Q53: For the reaction: C<sub>2</sub>H<sub>4</sub>Br<sub>2</sub> + 3 KI
Q62: Which of the following compounds has the
Q63: If the half-life of a reaction depends
Q93: Which of the following statements is NOT
Q104: In the stepwise preparation of pure calcium