(Solved): A10 A cathode can always be defined as:(a) the electrode at which oxidation occurs.(c) the negative ...

A10 A cathode can always be defined as:(a) the electrode at which oxidation occurs.(c) the negative clectrode.Al1 In the cell Cd(s) | Ca? (1 M) H (ag. 1 M), Mn (1 M), MnO4 (I M) | P,(a)(b)(©)the salt bridge plays no role.cations diffuse into the right half-cell, and anions diffuse into the left half-cell.anions diffuse into the right half-cell, and cations diffuse into theA12 Which of these salts could be used in a salt bridge?(a) NaNO,A13 Write the balanced r(b) KNO(a) sCd(s) + 2MnO + 16H(b) Cd(s) + MnO,- + 8H'(c) 5Cd + 2Mn' + 8H;0(a) 4.03 gramsn for the following cell:d net(b) the electrode at which reduction occurs.(d) nonc of the above->SCa' + 2Mn' + 8H;0Cd^2' + Mn +4H-02MnO:+ 16H+ + 5Cd(s)(b) 50.09 grams(a) 25.73 +0.1 mL(c) NaCzH;0,A14 What weight of sodium lactate (CH;CHOHCOONa; MW = |12.05) must be added to 500 mL of0.200 M lactic acid (CH;CHOHCOOH, MW=90.07; Ka = 1.4 X 10) in order to produce a bufferedsolution with a pH 4.50?(b) 3.525(c) 0.893 grams(a) 3.107(c) 3.671A16 What is the K, of 0.0450 M HA, if the measured pH is 5.78?alf-cell.A15 A solution prepared by dissolving 0.0775 mol acetic acid (HCOOH) and 0.0460 mol sodium acetate(HCOONa) in I L of water. What is the pH if 0.0100 mol of KOH is added to the solution. The Kaof acetic acid is 1.77 x 10(a) 6.1 x 10- molar (b) 1.7 x 10\deg molar (c) 3.7 x 10 molar(d) HCI(a) 0.10 M HCI and 0.10 M NaCl(c) 0.10 M HNO) and 1.0 x 104 M NaNO,(d) none of the above(d) none of the aboveA17 Given the following titration data, correctly report the average and standard deviation for the volumeof NaOH: (Trial 1) 25.60 mL, (Trial 2) 25.75 mL, and (Trial 3) 25.85 mlL(d) none of the above(b) 25.7+0.13 mL (c) 25.7+0.1 mlL (d) 25.73 0.13 mLA18 Which of the following pairs of compounds and ions could be used to form a buffer solution?(b) 0.10 M NH,CI and 0.10 M NH)(d) both b and c(d) none of the aboveea 1 MO Mn I M), MnOs ( M)|PtCd(s) | Cd