Answer:
The answer is option 3.
Step-by-step explanation:
You have to substitute H+=2×10^(-9) into the equation of pH :
pH = -log[H+]
H+ = 2×10^(-9)
pH = -log[2×10^-9]
= 8.70 (3s.f)
Answer:
1.20 ÷ 4 = 0.30 per unit
Please mark as brainliest;)
Answer:
0.33333
Step-by-step explanation:
Answer:
B’D’ will run through (2,2) and will be longer than BD
Step-by-step explanation:
B'D' will be twice as long as BD and run through (2, 2).
Answer:
44.55
Step-by-step explanation:
I actually didn't get the right answer and I just edited it right now I'm sorry I dont have an explanation!
