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For a 0.040 M ammonia solution : Calculate the PH and POH
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Posted: 13-07-2022
Calculate the ph of a 0.036 m nitrous acid (hno2) solution
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Posted: 13-07-2022
In a restoration project, a conservator prepares copper-plate etching solutions by diluting concentrated nitric acid, HNO3, to 2.0 M, 0.30 M, and 0.0063 M HNO3. Calculate [H3O+], pH, [OH-], and pOH of the three solutions at 25 oC.
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Posted: 13-07-2022
A solution formed by dissolving an antacid tablet has a pH of 9.18 at 25°C.
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Posted: 13-07-2022
Identify Lewis acids and Lewis bases in each of the following reactions.
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Posted: 13-07-2022
Calculate the freezing point of a solution that contains 60.0 g of urea, N2H4 CO, in 500.0 g of water.
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Posted: 13-07-2022
0.1 mole of NaCl is dissolved in 10 moles of water.
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Posted: 13-07-2022
1 mole of alcohol is mixed with 3 moles of water.
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Posted: 13-07-2022
If 150 g of orange juice contains 120 mg of ascorbic acid (Vitamin C)
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Posted: 13-07-2022
Find a set of five ages for which the mean age is 5, the modal age is 2 and the median age is 3 years.
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Posted: 13-07-2022
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