Chemistry, 25.03.2020 22:44 masonrochester7
How can we use the mole to convert between the mass and the volume of a substance?
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Why do cells appear different in distilled water than they do in 10% salt water?
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Chemistry, 22.06.2019 18:00
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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Chemistry, 22.06.2019 21:30
How can the periodic table be used to predict the behavior of elements?
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What are fossils of organisms that existed over a wide area but only for a limited time period called?
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How can we use the mole to convert between the mass and the volume of a substance?...
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