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If the pH of a solution is more than the pKa of an acid dissolved in it, is more of the acid in the protonated form or deprotonaqted form
Calculate the pH after 37.9 mL of NaOH has beed added. pH= ______. At what volume (in mL) of NaOH added does the pH of the resulting solution equal 7.00? Include the units of mL in your answer.
What is the volume of a gold nugget that weighs 2.20kg. The density of gold is 19g/cm^3? I set it up with D=M/V, but my answer of .0.008636 cm^3 isnt an option.
Which pair of solutions should conduct electrical current equally well because they contain equal numbers of ions? 0.10 M NH3 and 0.10 M NH4Cl 0.10 M HBr and 0.10 M HF 0.10 M NaCl and 0.10 M Na2SO4 0.10 M NaNO3 and 0.10 M HNO3 0.10 M HNO3 and 0.10..
The concentration of glucose in blood is approximately 90 mg/100 mL. What is the weight/volume percent concentration of glucose. what is the molariy of glucose
Calculate the enthalpy change for this reaction per mole of "X". Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 J/g*C and 1.00g/mL ] and that no heat is lost to the calorimeter itself, nor to ..
ethanol reacts with tosylate/nucleophile and the following: Hydroxide, cyanide, bromide, sodium propoxide and ammonia. What are the products from each
The density of pure silver is 10.5 g/cm^3 at 20°C. If 4.63 g of pure silver pellets is added to a graduated cylinder containing 12.1 mL of water, to what volume level will the water in the cylinder rise.
the LDH molecule always contains 4 polypeptide subunits and each subunit can be either a H (heart) or a M (muscle) subunit. how many isozymes are possible
Identify the element or elements that undergo
Calculate the enthalpy change, H, for this reaction per mole of X. Ignore any heat transfer to or from the calorimeter.
A graduated cylinder contains 20.5 mL of water. What is the new water level after 27.3 g of silver metal with a density
The fragment is dissolved in 50.00 mL of (H_{2}SO_{4}) solution is then treated with 2 g of Kl and 50.00 mL of the potassium iodate solution (1L of 0.01000M solution requires 2.14g of potassium iodate).
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