How many moles of Na₃PO₄ are needed to produce 8.13 moles of Ca₃(PO₄)₂?

What type of scientific model does the flow chart represent? (a chart of the scientific process) a. conceptual b. mathematical c. physical d. virtual

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?