Bromothymol Blue Indicator Changes Color from Yellow at a PH

Short Answer

Bromothymol blue indicator changes color from yellow at a pH of 6.0 to blue at a pH of 7.6.Methyl red indicator changes color from red at a pH of 4.4 to yellow at a pH of 6.2.A sample of saliva having [H₃O⁺] = 6.310 × 10^-7 would impart a ________ color to bromothymol blue and a ________ color to methyl red.