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What is the percentage of 0.63?
.63 is also 63% or 63/100. (432 x .63) is the same as (63% of 432) which is the same as (432 x 63/100).
Determine the pH of a 0.461 m c6h5co2h m solution if the ka of c6h5co2h is 6.5 x 10-5?
For this type of problem we use an I.C.E. diagram C6H5CO2H C6H5CO2 H3O 0.461 M ? ? -X +X +X 0.461 - X +X +X Ka of C6H5CO2H is 6.5 x 10-5. Ka = [C6H5CO2][H3O]/[C6H5CO2H] 6.5 x 10-5 = x2/(0.461 - x) after manipulation X2+ (6.5 x 10-5)x - (2.99 x 10-5) --> Plug in the Quadratic Formula X = +/- 0.0055 [H3O] = 0.0055 -Log(0.0055) = pH pH = 2.26
Associate pH numbers to H plus concentration?
A pH of 0 corresponds to a H+ concentration of 1.0 x 10^-0 M, a pH of 7 corresponds to a H+ concentration of 1.0 x 10^-7 M (neutral), and a pH of 14 corresponds to a H+ concentration of 1.0 x 10^-14 M.
What is the pH of a solution with H 10-10m?
[H+] = 1 x 10-10 M then pH = 10
PH level when OH- equals 2.3 x 10-3 M?
The pH level when [OH-] equals 2.3 x 10^-3 M can be calculated using the equation: pOH = -log[OH-]. Given [OH-] = 2.3 x 10^-3 M, pOH = -log(2.3 x 10^-3) ≈ 2.64. Since pH + pOH = 14, pH = 14 - pOH = 14 - 2.64 ≈ 11.36.
Convert length 104 m to yards?
104m (meters) is 113.736 yards.meters x 1.09361 = yards
What is 42500m in scientific notation?
4.25*104m
What is 63 x 63?
63 x 63 = 3969
What are the first ten multiples of 63?
The first ten positive integer multiples of 63 are as follows: 1 x 63 = 63 2 x 63 = 126 3 x 63 = 189 4 x 63 = 252 5 x 63 = 315 6 x 63 = 378 7 x 63 = 441 8 x 63 = 504 9 x 63 = 567 10 x 63 = 630
What is scientific notation for 38000m?
38,000m = 3.8 × 104m
What is 55000m in Scientific Notation?
5.5 × 104m or 5.5E4m
What can you multiply to get to 63?
Sticking to integers: 7 x 9 = 63 3 x 21 = 63 1 x 63 = 63
what x 9 = 63?
o resultado eh x=7 resolução; X x 9 = 63 X = 63/9 X = 7
What are the 63 times tables?
1 x 63 is 63 2 x 63 is 126 ....
What two numbers have the LCM that is 63?
1 x 63, 3 x 21, 7 x 9, 9 x 7, 21 x 3, 63 x 1.
What do you times to get 63?
31.5 x 2 = 63 15.75 x 4 = 63
What is 7 x 9?
-2
