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calculate the pH of the solution that results from adding 8.50ml of 0.100M NaOH to 50.00 mL of a 0.0500M solution of acetic acid. Ka+1.75x10^-5
What volume of 0.955 M HCl, in milliliters, is required to titrate 2.152 g of Na2CO3 to the equivalence point?Na2CO3(aq) + 2HCl(aq) ---> H2O(l) + CO2(g) + 2NaCl(aq)
The compound As2I4 is synthesized by reaction of arsenic metal with arsenic triiodide. If a solid cubic block of arsenic (d 5.72 g/cm3) that is 3.03 cm on edge is allowed to react
molecular I2 dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s-1. What is the half-life?
How will the melting point of your semicarbazone derivative be affected if the derivative is not dry enough
What is the mass of a piece of concrete that starts at 90.0 C, us immersed in a calorimeter with 350.0 g of water at 26.0 C
Determine the mass of the steel bar if the final temperature of the system is twenty one degree Celsius?
What is the cruising range (in miles) of the automobile on a full tank, assuming all the energy is transferred to the wheels? If the actual cruising range is 732 km, what is the efficiency of the engine?
At equilibrium, it was found that [CH3COOH] = 0.8537 M, [CH3COOO-] = 0.0040 M and [H3O+] = 0.0040 M. Calculate the acidity constant of CH3COOH and the pH value of the solution.
A chemistry lab experiment requires 36.3 g of silver nitrate. How many grams of a 12.5% by mass solution of silver nitrate should be used?
find the vapor pressure of water solution in which the molefraction of HgCl2 is 0.163 at 25 degrees celcius.
determine whether the various proteins are integral or peripheral and exposed to which side of the membrane
Calculate the pH of a sodium cyanide solution that is 0.37M NaCN. The Ka for hydrocyanic acid HCN is 4.00E-10.
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