PLEASE ANSWER ASAP!!!!!!

A. Lithium reacts with phosphate

a. how many moles of phosphate are needed to fully react with 1.23x20^4 moles of lithium

b. how many particles of lithium are contained in 2.46x10^8 moles of lithium

c. how many liters of lithium does 3.79x10^6 moles of lithium equal

d. what is the reation type​