Molar mass
Ca₃(PO₄)₂ = 310 g/mol
1 mole -------------------> 310 g
2.3x10⁻⁴ mole ---------> ?
m = 2.3x10⁻⁴ * 310 / 1
m = 0.0713 g
hope this helps!
C bc it only has red in it
Change in freezing point = -1.86 C/m X 0.743 m X 2 = -2.76 C
To fill the other element's shell.
