Answer to Question #79016 in General Chemistry for Abigail

Question

Using the quadratic equation to calculate [H3O+] in 0.00250 M HNO2, what are the values of a, b, c and x , where a, b, and c are the coefficients in the quadratic equation ax2+bx+c=0, and x is [H3O+]? Recall that Ka=4.5×10−4 .

Express a, b, c, and x numerically separated by commas.