How many grams of the hydrochloride
Thiamine hydrochloride(C12H18ON4SCl2) is awater soluble form of thiamine (vitamin B1; Ka=3.37 X 10^-7). How many grams of the hydrochloride must be dissolved in 10.00 mL ofwater to give a pH of 3.20?
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The frequency of the siren sound she hears is 8.5 hz, and as soon as the car passes her by, the frequency of the siren sound she hears becomes 75 hz. Knowing that sound travels through air with the speed of 340 m/s, find the following:
How much smaller will your error be if you use the regression equation than if you merely used the overall mean creativity score as the predicted score for all participants?
0.300 moles of an unknown monobasic weak acid are added to 1.20 L of water. The resulting solution has a pH of 8.800. What is the Ka of the conjugate acid of the unknown base? Assume no change in volume.
A light bulb manufacturer guarantees that the mean life of a certain type of light bulb is at least 875 hours .A random sample of 58 light bulbs has a mean life of 852 hours with a standard deviation of 95 hours. Do you have enough evidence to rej
Although we usually think of substances as "burning" only in oxygengas, the process of rapid oxidation to produce a flame may alsotake place in other strongly oxidizing gases.
The amount by which the first liquid will fall on the right-hand leg. If density1 is known but density2 is unknown, could the apparatus be used for determing the density of the second liquid?
Thionyl chloride, SOCl2, is used as a very powerfuldrying agent in many synthetic chemistry experiments in which thepresence of even small amounts of water would be detrimental.
Using phosphoric acid, what is the pH of the solution if u add 1.524g of phosphoric acid to enough water to make 100.0mL of solution? Using pka of acid are 2.16, 7.21, and 12.32 each.
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