kindly post different questions separately. please rate
1. Calculate the pH a. a 0.040 M solution of HCIO, b. a 0.028 M solution...
2. Calculate the pH of the following solutions: (a) [H3O+] = 1.4 x 10-'M (b) [OH-] = 3.5 x 10-2M (c) pOH = 10.5 3. What is the pH of a 0.10 M solution of HCIO4? (A strong acid) 4. Write the dissociation reaction and the corresponding K, expression for the following acids in water. (a) H3PO4 (b) C&H OH 5. Write the reaction and corresponding Ko expression for each of the following bases in water. (a) NH3 (b) PO4...
A) calculate the ph of a 0.028 M HNO3 solution B) Calculate the pH of a 0.028 M solution of benzoic acid (Ka=6.5x10^-5)
Solution pH Table 4. Theoretical pH of strong acids and bases and weak acids and hases Solution difference Theoretical Theoretical Theoretical pH from Measured Theoretical pH from Measured Strong Acid Strong Base Strong Acid Weak Acid Weak Base Weak Acid 0.10 M 0.010 M 0.0010 M 0.00010 M 2. Kor Ks can also be calculated from the pH. See Example 2. in the discussion under weak acids and bases. Calculate Kfrom your measured pH of the 0.10 M solution of...
helpp!! The pH of a 0.57 M solution of carbonic acid (H,CO2) is measured to be 3.30. Calculate the acid dissociation constant K of carbonic acid. your answer to 2 significant digits. ş Complete the table below. Round each of your entries to 2 significant digits. You may assume the temperature is 25 °C. conjugate base conjugate acid formula K formula X 5 ? нсо, 2.2 x 10 NH 3.6 × 10 -10 HONH LIX 10 Order these chemical species...
in some cases, there may be a mixture of two or more acids. When this happens, the stronger acid will dissociate completely, so you should be able to calculate how much H,0 is in solution as a result. Writing out the equation for the dissociation often helps The weak acid will attempt to dissociate and is governed by the equilibrium (K,). You should write out the equation for the weak acid Now-write in the values for the concentrations that you'll...
36) Which one of the following is not a strong acid? (or a weak electrolyte?) a) HNO )HCI HI )HF e) HCIO Answer: 37) The is the conjugate species that remains after an acid donates a proton is called its conjugate base. What base of the hydronium ion, HO? B)HO C)HO D)H E HO'has no conjugate base. Answer: acid-base pair? 38) For the reaction shown below, which of the following is a conjugate acid A)CHsN, H:0 B) CsH,N, CsH,NH' C)...
3. Calculate the pH of 0.10 M ammonia, NH) 4. Calculate the pH of 0.10 M KOH. 5. For each reaction, a and b, indicate the acid, base, conjugate acid and conjugate base below each substance. a) NH + H2O = NH3 + OH- b) OH + H₂S = H₂O + HS c) Which substance in the above reactions is amphoteric (amphiprotic
what is solution ? (References) Strong acids and strong bases ionize 100% in aqueous solution - HCl is a strong acid. In solution we write it as H(aq) + Cl(aq). - HF is a weak acid. In solution we write it as HF (aq). - KOH is a strong base. In solution we write it as K (aq) + OH(aq). - NH3 is a weak base. In solution we write it as NH3(aq). Exception: Since Ca(OH)2 is only slightly soluble...
Post Lab Activity Acids, Bases, pH, and Buffers 1. Calculate the pH of a 0.08 M NaOH solution. 2. Hydrochloric acid is a strong acid and dissociate almost 100% in aqueous solution. If two drops (0.1 mL) of 1.0 MHCI are added to pure water to make 1.0 L solution. What is the pH of this solution? 3. M. What will be the A dilute solution of hydrochloric acid (HCI) has a concentration of 0.1 pH of this solution? 4....
Complete the table for an aqueous solution @ 25°C each row represents one solution Грн POH 3.25 0.25 (H) (OH) Acidic or basic 6.14x10 12.25 1.77 9.83x102 A 0.185M solution of weak acid has a pH of 2.95. Calculate the lonization constant (K) for the acid. For this you will need to determine the relationship between the [HA], and the [H01. You're given [HA] and you'll need to find [H,0+- you can get this from pH. Just as we have...