Select the best statement relating to the following reaction:
2 MnO2 (s) + KClO3 (aq) + 2 KOH...
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Chemistry, 08.04.2020 20:31 pg67891012345
Select the best statement relating to the following reaction:
2 MnO2 (s) + KClO3 (aq) + 2 KOH (aq) → 2 KMnO4 (aq) + KCl (aq) + H2O (l)
Mn in MnO2 is oxidized.
Cl in KClO3 is the reducing agent.
Cl in KClO3 is the oxidizing agent.
KClO3 is the reducing agent.
H in KOH is oxidized.
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Answer asap need it by wednesday morning carry out the following calculations on ph and ka of from data. i. calculate the ph of 0.02m hcl ii. calculate the ph of 0.036m naoh iii. calculate the ph of 0.36m ca(oh)2 iv. calculate the ph of 0.16m ch3cooh which has ka = 1.74 x 10-5 mol dm-3 v. calculate ka for weak acid ha which has a ph of 3.65 at 0.30m concentration vi. calculate the ka of a solution made by mixing 15.0 cm3 0.2m ha and 60.0 cm3 0.31m a-. [ph= 3.80] vii. calculate the ph of a solution made by mixing 15.0 cm3 0.1m naoh and 35.0 cm3 0.2m hcooh. [ka = 1.82 x 10-4 m]
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