When you add the pH value of a solution to the pOH value of the same solution together, at 25 degrees C, what should the combined value be?

ANSWER CHOICES
1. 7
2. 0, they should cancel each other out
3. 14
4. It’s indeterminate until you know the concentration values of hydrogen and hydroxide ions in solution

1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →

The valence of aluminum is +3, and the valence of the chlorine is -1. the formula fir the aluminum chloride is correctly written as

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-