(H+) change of the pH of a solution changes from 4 to 3. What is the concentration?

In which of these cases are the two wave points considered to be in phase with each other?

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged