Chemistry, 14.04.2020 21:25 DASASDAEDWEDA
25.0 mL of 0.2 M sodium formate was titrated with 0.1 M HCl. What is the pH: a) before HCl is added; b) at the half-equivalence point; and c) at the equivalence point? Possible answers, respectively, are given below. Ka for formic acid HCOOH = 1.78Γ10-4
Answers: 1
Chemistry, 22.06.2019 01:30
Sulfuric acid (a component of acid rain) reacts with limestone (calcium carbonate) to produce calcium sulfate and carbon dioxide. this damages buildings and statues made of limestone. which solution of sulfuric acid will damage these structures more quickly? a. 0.001% b. 0.005% c. 0.010% d. 0.015%
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Chemistry, 22.06.2019 09:00
Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
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Chemistry, 22.06.2019 11:30
Determine the reaction and balance the following equations urgent due in the morning
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25.0 mL of 0.2 M sodium formate was titrated with 0.1 M HCl. What is the pH: a) before HCl is added;...
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