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The pH of a 0.127 M monoprotic acid whose Ka is 3.441 x 10-3? I have come up with a pH of 1.68 and a pH of 9.44.
a sample of cacl2 of 10.8-g is dissolved in 101 gramsnbsp of h2o with both substances atnbsp the temperature 25.0
Take photographs of your experiment set up and your results. Did either of the mouth rinses contain fluoride? How did you know?
Give the chemical equation for the reaction that occurs in (B) to reach equilibrium.
the following reactionis known to occur with a percentage yield of 82.7 at roomtemperaturezn s --gt znsif a chemist
Concentrated acids and bases may fall outside this range. Calculate the pH of hydrochloric acid, if the solution is sold as 37 % by weight (37 g HCl / 100 g solution) with a density of 1.18 g/mL.
Elemental exonium (not a real element) consists of 2 major isotopes Abundance Mass 31% 95 amu,69%. 118 amu What is the atomic weight for exonium.
Enzymatic oxidation of naphthalene by bacteria proceeds of intermediate cis-diol. which prochiral face of naphthalene is hydroxylated in this process?
Consider a piece of gold jewelry that weighs 9.95 and has a volume of 0.695 . The jewelry contains only gold and silver, which have densities of 19.3 and 10.5 , respectively. If the total volume of the jewelry is the sum of the volumes of the gold
How much heat was given off during combustion fo the sample of pentane. What is the heat of combustion, in kilojoules, per gram of pentane
If all the energy obtained from burning 1.28 pounds of methane (fuel value is 11.97 kcal/g) is used to heat 128.0 kg of water at an initial temperature of 20.6 °C, what is the final temperature
A cube of osmium metal 1.500cm on a side has a mass of 76.31g at 25°C. Calculate the mass of 0.1500L of benzene at this temperature.
At a certain temperature the equilbrium constant is 396 K for H2(g) + I2(g) ↔ 2HI(g) , Calculate the the equilbrium constant for 0.5H2(g) + 0.5I2(g) ↔ HI(g)
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