How many equivalence points would appear on the complete titration of H3PO4 (if base is added until no more equivalence points can be reached)

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

What is the formula of the ionic compound composed of calcium cations and chloride anions

An object of mass 10.0 kg and volume 1000 ml and density 10 g/ml sinks in water who’s density is 1.0 g/ml. what is the mass of the water which has been displaced in kilograms