human blood has an approximate ph of 7.3. whi...
human blood has an approximate ph of 7.3. which substance is more basic than human blood?\n\na. a water and ammonia solution with a ph of 11\nb. grape juice with a ph of 4.5\nc. apple juice with a ph of 3.0\nd. a human stomachs digestive juices with a ph of 2
Answer
# Explanation:
## Step1: Recall pH - basicity relationship
A higher pH indicates a more basic solution.
## Step2: Compare pH values
Human blood has pH = 7.3. We compare with each option:
- Option A: pH = 11, 11>7.3
- Option B: pH = 4.5, 4.5<7.3
- Option C: pH = 3.0, 3.0<7.3
- Option D: pH = 2, 2<7.3
# Answer:
A. A water and ammonia solution with a pH of 11