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1a Calculate the molarity of a solution made by putting 2.3 moles of calcium chloride into 230.87 mL.
1b Calculate the molarity of a solution made by putting 3.5 g sodium chloride into a beaker and adding water to make a 2.5 L solution.
1c Calculate the molarity of a solution made by putting 82.1 g calcium nitrate into a beaker and adding 382.1 mL.
1d Determine how many grams of potassium phosphate are contained in 1.83 L of 0.240 M potassium phosphate solution.
1e. Determine how many grams of ammonium carbonate are contained in 927.1 mL of 3.0 M ammonium carbonate solution
Determine the percent yield of barium sulfate obtained (4.9852g) when 100.0 mL of a 0.2516M aqueous barium chloride is treated with an excess of sulfuric acid? Hydrochloric acid is a by-product.
A student ignites 1.834 g of magnesium in air using a Bunsen burner in the lab. Calculate the mass theoretical yield of MgO obtainable in the experiment.
adipic acid c6h10o4 is a raw material for the making of nylon and it can be prepared in the laboratory by the following
Conservatively, volumes of all glassware are expressed at 20 degrees C. The expansion coefficient of glass is 0.0025% per degree Celsius. If a flask if sound by calibration to contain 200.09 ml at 20 degrees C, explain what is the volume of the fl..
Compute the number of moles of a gas that is present in a 7.55-L container at 45 degrees, if the gas exerts a pressure of 725 mm Hg.
Problem- Use the following standard-state free energy of formation data to calculate the acid-dissociation equilibrium constant (Ka) at for formic acid: Compound Gf o (kJ/mol) HCO2(aq) -372.3 H+ (aq) 0.00 HCO2 - (aq) -351.0
Question- Acid-catalyzed dehydration of 3-methyl-2-butanol gives three alkenes: 2-methyl-2-butene, 3-methyl-1-butene, and 2-methyl-1-butene. Draw the structure of the carbocation intermediate leading to the formation of 2-methyl-1-butene.
M2F124918 - Buffer solutions are highly useful in various biological and industrial applications. Discuss application of suitable buffer solution used
What is the equation used to calculate the maximum number of electrons that can fill an energy level. How many electrons will fill shells 2, 4, and 6.
Explain a sample of helium has a volume of 480 ml at 47.0 Celsius and 740 mmHg. If the temperature is lowered to 22oCelsius. And the pressure to 625 mmHg. What is the new volume
The boron trifluoride molecule is depicted as having three single bonds and an electron-deficient central born atom. Use the concept of formal charge
Give the reaction scheme, showing the products formed (before hydrolysis), when one equivalent of ethylmagnesium bromide is treated with one equivalent of 5-hydroxy-2-pentanone
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