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12345 [234]
2 years ago
12

Identify among the following as

Chemistry
1 answer:
Paul [167]2 years ago
5 0

Answer:

Cation-They have positive charge and are also called basic radical

Anion-They have negative charge and are also called acid radical

Radical-A radical is an atom of an element or a group of different elements that behaves as a single unit with a positive or negative charge.

Molecule-A molecule is the smallest particle of a pure substance which has independent existence

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Determine the approximate amount of potassium hydrogen phthalate, KHP, that you will need to neutralize 6.00 ml of 0.100 M NaOH.
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Answer:

potassium hydrogen phthalate KHP MOLAR MASS = 204.233 glmol

to get 1000 ml

Molar concentration = Mass concentration/Molar Mass

mass concentration = molar concentration x molar mass

mass concentration=0.1 M,

molar mass= 204.233 g/mol

so to get 1L

mass conc = 204.233 x 0.1

= 20.4233g  for 1L or 1000 ml

to get 6.00 ml

if 20.4233g is for 1000ml

then to 6.00 ml

= 20.4233 x 6 / 1000

= 0.123g for 6.00 ml

according to the equation below

NaOH(aq) + KHC8H4O4(aq) --> KNaC8H4O4(aq) + H2O(l)

number of moles of NaOH is equal to that of KHP

so the same amount will be needed too, which is

= 0.123g

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