Chemistry, 26.01.2020 21:31 maelonramirez
Suppose a 1.3000 g antacid tablet (containing 0.5000 g of calcium carbonate) is completely dissolved in 500-ml of water. how much of this antacid solution is needed to completely react with 25.00-ml of 0.800 mm edta? hint: to determine molar equivalents at the endpoint you need a balanced chemical reaction.
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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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Suppose a 1.3000 g antacid tablet (containing 0.5000 g of calcium carbonate) is completely dissolved...
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