Best Answer: <span>(a)
8.9 x 10^-7 = x^2 / 0.15-x
x = [OH-] = 0.00037 M
pOH = 3.4
pH = 14 - 3.4 = 10.6
(b)
Ka = Kw/Kb = 5.6 x 10^-10 = x^2 / 0.20-x
x = [H+] = 0.000011 M
pH = 5.0</span>
14.5 M
Molarity=grams/liters
M=58/4.0
Answer:
Sun at the center.
Explanation:
The actual dictionary definition of Heliocentric defines it as, "Heliocentrism is the astronomical model in which the Earth and planets revolve around the Sun at the center of the Solar System. Historically, heliocentrism was opposed to geocentrism, which placed the Earth at the center."
I would go with pure water
Answer:
Explanation:
Distance is the product of speed and time.
The speed is 8 kilometers per hour and the time is 4 hours.
Substitute the values into the formula and multiply. Note that the hours will cancel when multiplied.
Mr. Evans traveled <u>32 kilometers.</u>