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Kobotan [32]
3 years ago
7

(1 point) The law of conservation of mass lets us know that in every chemical equation you have to have the same number of _____

___ on both sides of the equation. * • moles • coefficients • atoms of each element • molecules
Chemistry
2 answers:
mote1985 [20]3 years ago
5 0
Atoms of each element is the answer
guapka [62]3 years ago
5 0
Atoms of each element 
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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

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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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