If the energy of the reactants is less than the energy of the products, what kind of reaction is it.

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water

0.2348 grams of pbcl2 used to form 44.0 ml of solution.