Answer:
The correct answer is Letter B
Explanation:
hope it's can help
B is the correct option.
a mixture is a material made up of two or more different substances which are physically combined.
0.398=mol/4.57L. mol= 1.818. 1.818*3=5.456. 5.456/(4.57L)=1.19 M
Mass = 39.0 gal × (3.785 L/1 gal) × (1000 mL/1 L) × (0.789 g/1 mL) × (1 lb/453.6 g) = 257 lb
