Answer:
86º
Step-by-step explanation:
If this is a trriangle the sum of the angles is 180º
180 - 45 - 49 = 86º
*Picture Belle come on princess
If I'm facing < way and turn to face > way, that's 180 degrees
PH is calculated by the negative logarithm of the hydrogen concentration in a solution. Therefore, the pH in this case is:
pH = -log (0.0000006)
pH = 6.22
Therefore the correct answer among the choices is the last option, pH of 6 with a color pink.