hat is the pH of 0.6M acetic acid?
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What is the pH of 0.6M acetic acid?
a. 4.5 x 10 ^-7
b. 3.33 x 10^ -3
c. 2.1 x 10 ^-3
d. 1.33 x 10 ^-5
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- At a pH of 7.40, the carbonic acid ratio is ________. a. 35:1 b. 4:1 c. 20:1 d. 3:1What is the isoelectric point of casein? Please choose one correct answer only. A. pH 6.6 B. pH 5.6 C. pH 4.6 D. pH 3.6 E. None of the given optionsWhat is the pH of a cleaning solution with a [H3O*] = 7.4 x 10-10 M H3O*? A. 7.4 B. 9.00 C. 8.13 D. 9.13 E. 7.13
- Based on the Henderson-Hasselbalch equation (shown below), calculate the pH when half of a solution of acetic acid is dissociated to acetate (the pKa of acetic acid is 4.76). A. 1.00 B. 3.76 C. 4.76 D. 5.76Shown below is the titration curve for phosphoric acid. At what pH is the solution entirely in the H3PO4 form? 0-0.5 14 12.5 O2.1 NICHWhat is the pH when 50 ml 0.1 M NaOH is added to 100 ml 0.2 M HA? (K3= 10 Lütfen birini seçin: a. 7.6 O b. 4.5 O c. 6 d. 8.5 O e. 5.5
- Based on the Henderson-Hasselbalch equation (shown below), calculate the pH when the ratio of acetic acid to acetate is 10 to 1 (the pKa of acetic acid is 4.76). A. 1.00 B. 3.76 C. 4.76 D. 5.76You just made a 1.5M permanganate solution. What concentration is your potassium permanganate solution in percent? "K: 39.10 g/mole" "Mn: 54.94 g/mole" "O: 16 g/mole" "MW of KMnO4 is 158.04 g/mole" O a. 0.24% Ob. 20.1% O c. 15.8% O d. 23.7% O e. 2%A patient is prescribed 0.151 g of Lidocaine intravenously. The lidocaine is available as a 12 mg/mL solution. How many mL must be administered?
- You should change it to Catechol (ml) 0.2 0.2 0.2 0.2 ml Turnip extract (ml) 0.1 0.1 0.2 Buffer (ml) 1 2 3 4 H₂O₂ (ml) Distilled H2O (ml) 1.7 1.2 1.1 1.1 Total Volume 0.5 0.5 0.5 0.5 0.5 pH 7 pH 7 pH 7 pH 7 0 0.5 0.5 0.5 2.5 2.5 2.5 2.8A KCC student titrated 100.00 mL of a NaOH solution using 55.00 mL of a 0.1000M H2SO4 solution. How many moles of acid were used ? This is part 1 of a titration problem H2SO4 + 2 NAOH Na2SO4 + 2 H20 O A. 0.0055 mol B. 0.0100 mol O C. 0.100 mol D. 0.550 mol O E. 5.50 molGive full explanation The physcian orders ascorbic acid 0.25mg IM for your patient admitted with an alcohol problem. You have ascorbic acid 500mg/mL. How many milliliters will you administer?
