Chemistry, 25.01.2022 02:30 suealex6578
A solution is made by dissolving 0.40 g of solid sodium hydroxide in 250cm of water. It is found that 28.2 cm of this
solution is needed to completely neutralise a 40.0cm sample of ethanoic acid (CH3COOH) of unknown
concentration.
Calculate the concentration of ethanoic acid.
Answers: 1
Chemistry, 22.06.2019 17:30
To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.
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How much would the freezing point of water decrease if 4 mol of nacl were added to 1 kg of water (kf=1.86 degrees c/(mol/kg) for water and i=2 for nacl a- 7.44 degrees c b- 14.88 c 3.72 d 1.86
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Chemistry, 23.06.2019 09:20
Due tomorrow which would have a lower ph, a 0.1 m solution of a strong base or a weak base? why? which would have a higher ph, a 0.1 m solution of a strong base or a weak base? why?
Answers: 3
A solution is made by dissolving 0.40 g of solid sodium hydroxide in 250cm of water. It is found tha...
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