The compound lead (iv) chloride pentahydrate has mole(s) of ionic compound for every mole(s) of water. five, one one, five five, four four, five

The compound lead (IV) chloride pentahydrate has ONE moles of ionic compound for every FIVE moles of water.
The chemical formula for lead (IV) chloride pentahydrate is PbCl4-5H2O.
The ionic element that is present in the compound is lead and the lead is just one mole. The compound has 4 moles of chlorine and five moles of water. Thus, the correct and answer is B; one mole of lead [pb] and five moles of water. Another word for five is penta, thus, pentahydrate means five molecules of water.

That result from subduction of oceanic plates beneath lighter continental plates. most of the earth's volcanoes are located around the pacific ring of fire because that the location of most of the earth's subduction zones.