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Calculate the molarity of a 31.45 weight percent acidity% muriatic acid solution given that the solution density is 1.17 g ml
Buffer solution Problem to determine pH, Determine the pH after the addition of 10.0ml of 0.1M NaOH to 100.00ml of this buffer. An aqueous solution of 100.0ml 0.100M NaCl is titrated with 0.100M AgNO3 (AgCl Ksp= 1.0x10^-10) pAg=-log[Ag+]
What would be the effect of increasing the temperature on the following reaction? C2H2(g) + H2O(g) CH3CHO(g) DHrxn = -15 1 kJ 1. [CH3CHO] would increase 2. [CH3CHO] would decrease 3. [CH3CHO] would stay the same
the rate constant of some reactions double with every 10 degree rise in temperature. assume that a reaction takes place
What mass of water is necessary to prepare each of the following solutions? 1.) 200.0g of 1.30\% saline solution 2.) 80.00g of 15.0\% sugar solution
The total molarity of acid and conjugate base in this buffer is 0.100 M . A student adds 9.00 mL of a 0.290 M Hcl solution to the beaker. How much will the pH change. The pKa of acetic acid is 4.760.
a piece of metal with a mass of 151 g is placed in a 50 ml graduated cylinder. the water level rises from 20. ml to 35
CH3CH2OCH2CH3 can be synthesized by an SN2 reaction. Draw the structures of the alkyl chloride and nucleophile that will give this compound in highest yield
Draw a resonance structure, complete with all formal charges and lone (unshared) electron pairs, that shows the resonance interaction of the acetyl with the ortho position in acetophenone
Show, with the aid of a form of the Nernst equation that when using a pH sensitive glass electrode and reference electrode that the measured potential is proportional to pH.
Draw and name the molecule which contains only carbon and hydrgen atoms only three of which are carbon
Which one of the following is the highest temperature?
Twenty grams of liquid mercury at 98.0 °C is placed in 47.0 g of water initially at 25.0 °C. What is the final temperature of the water, assuming the styrofoam calorimeter absorbs no heat at all?
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