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Question- If 4.0 moles of gas has a volume of 77 L, then what is the molar volume for this gas? Note that this gas sample could be at any temperature and pressure, not necessarily STP. Write out your calculation(s) to illustrate your work. Round your respond to the correct number of significant figures.
A 0.4357 gram sample of impure barium chloride dehydrate weighed 0.3587 grams after it was dried at 200 °C for two hours. Compute the percentage of water in the sample.
The united states FDA requires that any product called vinegar contains at least 4% by weight of acetic acid. assuming that the density of vinegar is the same as water
Calculate the average cost of antacid tablet that would be needed to neutralize 1.00 mole of HCl. (Cost Effectiveness) 3. The HCl concentration in a hyperacidic stomach is 0.03M. The volume of liquid in the stomach is 300mL
The pentapeptide leucylglycylthreonyltyrosylalanine is first incubated with FDNB. When the resulting compound is heated to 110 deg C for 24 hrs in the presence of 6M HCl, the solution will contain
Calculate the pH of a solution containing 0.20M in HCN and 0.12M NaCN. Is this a buffered solution
While a 1.00 L flask containing 0.500 atm of gas A is joined with a 2.00 L flask containing 0.850 atm of gas B, as well the stopcock between the flasks is opened, also the gases are allowed to mix thoroughly, the following reaction proceeds at con..
8.00×10^-3mol of HBr are dissolved in water to make 14.0L of solution. What is the concentration of hydroxide ions,[OH-] , in this solution and 4.00g of NaOH are dissolved in water to make 2.00L of solution. What is the concentration of hydronium ..
In the presence of Sulfuric Acid, Benzilic Acid reacts with acetone to form a compound with the molecular formula C17H16O3. Propose a structure for this product and write a balanced equation for the reaction
question an aqueous solution of potassium phosphate is mixed with an aqueous solution of calcium nitrate. a precipitate
200 mL of 0.150 M acid HA are mixed with 100 mL of 0.0800 M NaOH. Calculate the titration constant, kt, of the resulting reaction. Ka = 1.0 x 10^-5
with this balanced equation of copper carbonate calculate the concentration of copper in solution
A 0.150 M aqueous solution of the weak inorganic acid HA was prepared from the pure compound, and three 50.0 mL aliquots were transferred to 100.0 mL volumetric flasks.
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