<span><span>4.2×1022</span>NA</span><span> N_{A} is the avagadro number</span>
Answer:
pioneer species. because they are flower like species
Use PV = nRT
(2 atm)(.3 liters) = n(8.314 mol*K)(303°K)
.6 = n(2519.142)
Divide by 2519.142
n = .00023818 mols of HCl * 36.46g of HCl/ 1 mol of HCl
Grams of HCl = 0.00868