The light and dark circles in the picture represent different types of atoms. Which picture best represents a pure compound?

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

Which position represents spring in the southern hemisphere? a) b) c) d)

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