A giant entirety in the ground spanned in tiles or cement then it is fill just around to the brim with warm water

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A titration the 200.0 mL of 1.00 M H2A to be done through 1.38 M NaOH. For the diprotic mountain H2A, Ka1 = 2.5  10–5, Ka2 = 3.1  10–9.

thedesigningfairy.com:

4.95

Explanation:

1.00 M H2A

1.38 m NaOH

Titration = 200.0 mL

Calculate moles of NaOH

= = 0.46

calculate moles of H2A

= = 0.667

therefore the mole of acid left = mole of H2A - mole of NaOH

= 0.667 - 0.46 = 0.207

pka = - log( ka )

calculate PH after ~ 100 ml of 1.38 M NaOH have actually been added

PH = pka + log = 4.61 + log = 4.95

Well the thedesigningfairy.com is 207.2. You take the lowest sig figs the you are using which would be 2500= 2 sig figs. 207.2 rounded to 2 sig figs would be 210

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The price of reaction in terms of the "rate regulation expression" includes the rate continuous (kk), the concentration that the reactants,

thedesigningfairy.com: Explanation:

Hello.

In this case, considering the given certain orders of reaction, we can write the rate regulation as: ^2" alt="r=k^2" align="absmiddle" class="latex-formula">

Thus, considering the concentration of A and B to be 0.200 M and also 0.350 M respectively and also a price of 0.060 M/s, the rate consistent turns out: ^2}\\ \\k=\frac0.060M/s(0.200M)(0.350M)^2 \\\\k=2.45M^-2s^-1" alt="k=\fracr
^2\\ \\k=\frac0.060M/s(0.200M)(0.350M)^2 \\\\k=2.45M^-2s^-1" align="absmiddle" class="latex-formula">

This is what we understand as a third-order reaction due to the fact that the particular orders both include to 3.