Fill in the coefficients that will balance the following reaction: a0snso4 + a1kbr → a2snbr2 + a3k2so4

It is important to remember that when you balance reactions that number of atoms for each substances is the same in the reactants and the products side. Therefore, the balanced chemical reaction is 

SnSO4 + 2KBr → SnBr2 + K2SO4

The coefficiens are 1:2:1:1. Hope this answers the question. Have a nice day.

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later