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A chemist wants to prepare 0.65 M HCl. Commercial hydrochloric acid is 12.4 M. How many milliliters of the commercial acid does the chemist require to make up 1.48 L of the dilute acid?
The pH of the solution is 2.81 after 15.00ml of base is added. Calculate the ionization constant,Ka, of lactic acid.
What is the difference between the fresh meat with added sodium nitrite and the meat with added sodium nitrite plus sodium erythorbate?
aqueous solution given the density of the glucose solution is 1.23 g/cm^3.
A sample of hydrogen gas occupies 15.8 L at STP. How many moles of the gas are present?
in a laboratory, 6.82 g of Sr(NO3)2 is dissolved in enough water to form 0.500 L of solution. A0.100-L sample is 0.0245 M solution of Na2CrO4.
A chemistry student needs to weigh out exactly 1.19 mol of Mg(HCO3)2 to perform a laboratory experiment. How many grams should he weigh out?
If solar radiation is 1010 , how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 for solar radiation.
In 1986 an electrical power plant in Taylorsville, Georgia, burned 8,376,726 tons of coal, a national record at that time.
This is equal to the number of moles of HCL present in the 5.00mL of HCL delivered to the flask. Compute the molarity of the HCL.
A .750 L volume of gas at 308.0 torr and 51.00 degrees C is heated until the volume of the gas is 2.000L at a pressure of 718 torr. What is Tfinal of the gas?
Metals such as magnesium and zinc react with dilute sulfuric acid to give hydrogen, according to the equation: M (s) + H2SO4 (aq) -------> MSO4 (aq) + H2 (g) When 5.00 g of a mixture of powdered magnesium and zinc were dissolved in diluted sulfuri..
Lethality of Carbon Monoxide, Sulfur Dioxide and TNT, Air monitoring provides the following contaminant concentrations at the approximate center of a fire scene in which acres of automobile tires are burning
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