calculate the sodium ion concentration when 70.0mL of 3.0M sodium carbonate is added to 30.0mL of 1.0M sodium bicarbonate

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

Word equation for k(s) +h2o(l) yield koh (aq) + h2

Will mark brainliest how many electrons can be held in the energy level n = 4?