Answer :
[tex]density= \frac{mass}{Volume} \\ d= \frac{m}{V} \\ d= \frac{43.5}{50} \\ d=0.87 \frac{u}{mL} [/tex]
"u" stands for "units" since the unit for mass in this problem is unknown.
"u" stands for "units" since the unit for mass in this problem is unknown.
