Can someone tell me the answer and how to do the problem?
1 answer:
Answer:
is tht wht u want
Explanation:
1 grams Sodium is equal to 0.043497607849056 mole.
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Hey there!
Density = 2.70 g/cm³
Volume = 10.0 cm³
Therefore:
Mass = density * volume
Mass = 2.70 * 10.0
Mass = 27.0 g
At the half equivalence point [HA] = [A-] and pH = pKa
<span>if Ka is 5.2e-5 then pKa = pH = 4.28</span>
Answer:
1.85 x 10^ -5
Explanation:
Answer:
1 kilogram weight at sea level would be the equivalent of 2 pounds.
Explanation:
[H+] in first brand:
4.5 = -log([H+])
[H+] = 10^(-4.5)
[H+] in second brand:
5 = -log[H+]
[H+] = 10^(-5)
Difference = 10^(-4.5) - 10^(-5)
= 2.2 x 10⁻⁵
The answer is A.
