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Question- a ph meter reads 0.386 v when placed in a standard buffer of PH= 4.000. When placed in an unknown solution, the metter reads 0.498V. What is the PH of the unknown solution?
Answer showing how to make each solution will get rated
For the following reaction, KOH(s)+SO2(g)=KHSO3(s), if 0.5 g of each reactant were allowed to react with each other... which of the following answer choices apply to finishing the above question 1. more than one gram of product would result
In acidic solution Fe3+ a weak oxidizing agent can oxidize iodide ion to iodine, I2 by conversion to Fe2+ without interference from bromide or other ions. State a balanced equation for this oxidation-reduction reaction
Show the reaction equation for when sodium carbonate is added to acetic acid Show the reaction equation of acetic acid and dilute sulphuric acid. Potassium manganate is also added.
a 5.96-g sample of homogentisic acid a weak organic acid having ka4.0 x 10-5 is dissolved in 35.0 ml of water and its
Explain what would happen during the titration if you forgot to add the HC1 or metaphosphoric acid
Suppose that 347 mL of argon is collected over water at 25 ?C and 715 torr. Compute the volume of the dry argon at STP. The water partial pressure at 25 ?C is 23.8 torr.Answer in units of mL
if a solution 110 mL HBr has unknown concentration and is titrated with 80 mL of .150 M NaOH base soultion. Calculate the concentration of the HBr solution.
The Daily Dose of Ampicillin for the treatment of an ear infection is 115mg/kg of body weight. What is the daily for a 34 lb child
Explain how many grams of ibuprofen contain 7.3x1025 atoms of C C13H18O2
The equilibrium internuclear distance of deuterium iodide, DI, is 160.4 pm, where 1 pm = 1x10-12m.The relevant atomic masses are: mD = 2 amu and mI= 127 amu
a compound with a formula mass of 292.16 was dissolved in solventin a 5 ml volumentric flask and diluted to the mark. a
A galvanic cell consists of a Mg electrode in a 1.0 M Mg(NO3)2 solution and a Ag electrode in a 1.0 M AgNO3 solution. Calculate the standard emf of this cell at 25 °C
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