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Explain the fact that KOH is much more soluble in liquid ammonia containing a little water than in pure liquid ammonia.
The molarity of C2O42- in a saturated solution of CdC2O4 was determined to be 0.000122 M. Calculate the solubility product constant (Ksp) for CdC2O4.
A power plant burns 10^4 kg hr-1 of coal containing 2.5% sulfur. The effluent is released from a single stack of height 70 m. The plume rise is normally about 30 m.
aliquots were transferred to 50-mL volumetric flasks. Each was treated with standard (containing ), diluted to volume with , and analyzed by flame atomic absorption.
Describe how you would prepare the buffer solution using one of the weak bases listed in the Table below and any other necessary reagents.
When 1.7 g sodium nitride is heated it forms sodium metal and nitrogen gas. How many grams of each are formed?
The diluted solution is then placed in a spray bottle for application on the desired surfaces. How many moles of luminol are present in 2.00 L of the diluted spray
Write the net ionic equation for the following molecular equation. HBr is a strong electrolyte. HF is a weak electrolyte. KF(aq) + HBr(aq)---> KBr(aq) + HF(aq)
A flask contains 0.180 of liquid bromine br2, . Determine the number of bromine molecules present in the flask.
the density of an unknown compound made from sulfur and oxygen is 2.47 x 10^-3 g/mL at 23 C and 76 kPa. what are the possible molecular formulas for the compound?
The density of hydrogen gas in a flask is 0.147 g/L at 305 K. what is the pressure inside the flask? Calculate the density in G/L of CH4(g) at 75 Celsius and 2.1 atm (R= .08206 L*atm/mol*K).
If I have .0888g of potassium hydrogen sulfate, its density is 2.322g/mL and its molecular weight is 136.17g/mol how many mols do I have
a) if you make up a solution of 50mL of 0.1M TRIS in the acid form, what will be the pH. b) If you add 2mL of 1M NaOH to the solution, what will be the pH
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