Please help quickly!!
17. K=9.0M
KCl)+Na NaCl) + K(g)
18. HCl=3.0M
NaCl(s) + H2SO40) → HCl(g) +NaHSO4(s)
19. NO 2.0M and N2= 2.0M
P4()+6NO(g)
P406(s) + 3N2(
