We’re being asked to determine what would happen to the pH if 0.100 mol of ferric nitrate, Fe(NO3)3, is added to 1 liter of water.
Ionic salts are made up of positively charged ion (cation) and a negatively charged ion (anion). To determine if the ionic salt would be acidic, basic, or neutral, we need to identify the acidity or basicity of the cation and anion.
• transition metal
▪ charge of +2 or higher → acidic
▪ less than +2 → neutral solution
• main group metal
Adding 0.100 mol of ferric nitrate, Fe(NO3)3, to 1 liter of water will cause the pH of the solution to do which of the following?
B. remain unchanged
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