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Problem- Find the pH of a 0.120M solution of a weak monoprotic acid having Ka= 0.11. Then find the percent dissociation.Please help, really struggling with these problems.
I don't know how to reach these answers thus please show the steps, thank you
consider the titration of 50.0ml of 0.217 m hydrazoic acid hn3 ka2.6 x 10-5 with 0.183 m naoh.nbsp calculate the ph of
the decomposition of dinitrogen pentaoxide has and activation energy of 102 kjmol and delta h degree rsn 55 kjmol.
Arrange the bases in increasing order of strengths. I) deuterated ammonia (ND3) Kb = 1.1 × 10?5 II) hydrazine (NH2NH2) Kb = 1.7 × 10?6 III) ammonia (NH3) Kb = 1.8 × 10?5
A solution contains 0.22 M CaCl2 and 0.12 M MgCl2. What concentration of hydroxide ions would be required to separate the magnesium as Mg(OH)2 without precipitating the calcium as Ca(OH)2?
100.0 mL of 0.100 M acetic acid is placed in a flask and is titrated with 0.100 M sodium hydroxide. An appropriate indicator is used. Ka for acetic acid is 1.7 x 10^-5. AFTER 25.0 mL of NaOH is added, what is the pH in the flask at the following p..
Explain what is the relationship between polarity of a drug and toxicity and why is this case? In other words, are non-polar or polar molecules more toxic to the human body, and why.
if a temperature scale were based on the freezing point 5.5 c and boiling point 80.1 c of benzene and the temperature
Determined if CS 2 of 2.500 grams mix with an excess of chlorine gas , 9.310 Kilo joule of heat is evolved. What sort of reaction is this , Is the reaction exotermic also find out delta H for the reaction?
Explain the partial pressure of oxygen was observed to be 148torr, explain when the atmosphere pressure was 787 mmHg. Explain what is the mole fraction of oxygen present in the sample of air
The mass of a 150 ml beaker was determined to be 82.123 g. A sand- salt mixture was placed in the beaker and the mass of the beaker plus the mixture was determined to he 86.246 g.
Calculate the new vapor pressure of iodine at the same temperature when 100 bar of He gas is added to the container in which the iodine is held.
Determine the pH at the equivalence (stoichiometric) point in the titration of 52.8 mL of 0.537 M HNO2 by 0.350 M LiOH. The Ka of HNO2 is 4.3 x 10-4.
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