Please help me with question 20, 23, 24, and 25 Please help me with question 20,

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Please help me with question 20, 23, 24, and 25

Please help me with question 20, 23, 24, and 25


A. acidic B. basic C neutral C, 2 × 109 C. 1.5 C. 2.2 D. a buffer E. neutralized 20. what is the [ HjO*) of a solution that has a pH = 8.77( 11.6) A. 7 x 10 B. 2 x 10-9 21. Of the following pH values, which is the most acidic? (11.6) D, 8 × 10" E. 2 X 10 A. 8.0 B. 5.5 D. 3.2 E. 9.0 22. Of the following pH values, which is the most basic? (11.6) A. 10.0 B. 4.0 E. 9.0 23. which is an equation for neutralization of an acid and a base? ( 11.7) A. Caco,(s)- CaO(s) + CO2(g) B. Na,so,(s) 2Na+(aq) +SO/-(ag) C. H,so,(aq) + 2NaOH(aq) 2H0(/) + Na,so,(a) E. H2CO3(aq)- CO2(g) + H2O(1) 24. What is the molarity of a 10.0-mL sample of HCl solution that is neutralized by 15.0 mL of a 2.0 M NaOH solution? (11.8) A. 0.50 M HCI B. 1.0MHCI C. 1.5 M HCI D. 2.0 M HCT E. 3.0 M HCI 425. In a titration, 6.0 moles of NaOH will completely neutralize_moles of H,SO (11.8) C. 3.0 A. 1.0 B. 2.0 D. 6.0 Uhat ir the name riyen to components in the body that keep blood pH within its normal 7.35 to

Explanation / Answer

Solution-

We know that

[H+3O]=10pH

Plugging in the pH value will produce

[H+3O]=10^8.77=1.698*10^-9=1.7109M

Option B is correct

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