Question

i do not know how to put those in words, can some one help me, please.

CoCL2(s) + 2HF(g)= CoF2(s)+ 2HCL(g) and
P6( NO3)2(aq) + 2KL(aq) = PbL2(s) +2KNO3(aq)

Answer 1

One mole Cobalt(II) chloride +two moles hydrogen fluoride yields one mole cobalt(II) fluoride + two moles hydrogen chloride.