Balance the Following Equation Using the Smallest Set of Whole $\rarr$

Multiple Choice

Balance the following equation using the smallest set of whole numbers, then add together the coefficients.Don't forget to count coefficients of one.The sum of the coefficients is ___ Cr + ___ H₂SO₄ $\rarr$ ___ Cr₂(SO₄) ₃ + ___ H₂

A) 4.
B) 9.
C) 11.
D) 13.
E) 15.