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What is the molarity of a solution prepared by diluting 25 drops of 0.35 M K2SO4 solution with 75 drops of water?
what are the ground state electron configuration of the elements in period 2 of this alternate reality?
What mass of NaOH can this buffer neutralize before the pH rises above 4.00?
A solution of I2 was standardized with ascorbic acid. Using a .1000 g sample of pure ascorbic acid, 25.32 mL of I2 were required to reach the starch end point. A. What is the molarity of the iodine solution? B. What is the titer of the iodine solu..
Beta-Dicarbonyl Compounds, There are two reason why the enols of beta-dicarbonyl compounds, such as pentane-2,4-dione are relatively stable.
A 0.300 M solution of an acid, HZ, has a pH = 1.301. What is the value of the ionization constant, Ka, for this acid?
Consider the reaction HgS + O2 → SO2 + Hg. If 200.0 grams of HgS reacted with 150.0 grams of O2, what is the limiting reagent.
Backside attack on the bromonium ion by a bromide ion results in a trans products. The bromine is added to opposite sides of the carbon-carbon double bond.
What is the average mass of calcium in each sample? (Assume that the relative uncertainties in atomic mass are small compared the uncertainty of the total mass.)
2SO2(g) + O2(g) 2SO3(g) Suppose the volume of this system is compressed to one-half its initial volume and then equilibrium is reestablished.
Calculate the maximum number of grams of H2S that can form when 158g of aluminum sulfide reacts with 131g of water.The *unbalanced* reaction is given below.
A rigid cylinder with a movable piston contains a 2.0-liter sample of neon gas at STP. What is the volume of this sample when its temperature is increased to 30.°C while its pressure is decreased to 90. kilopascals.
If 26 of 6.6 was spilled, what is the minimum mass of that must be added to the spill to neutralize the acid?
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