Asolution contains 0.1 m sr2+ ions and 0.1 m ag+ ions. addition of an equal volume of a 0.5 m solution of which reagent will cause precipitation of a strontium salt but not a silver salt?

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.

the answer is c.the valence of the atoms combine .