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A solution of H2SO4(aq) with a molal concentration of 4.80 m has a density of 1.249 g/mL. What is the molar concentration of this solution?
to prepare a 13.9 kg dog (assume volume of 13.9 L) for surgery, 0.0343 moles of an anesthetic was administered intravenously. The reaction in which the anesthetic is metabolized displayed a first half life of 132.5 minutes and a second half life o..
Solve for the new pressure in each of the following, with n and V constant: 1)A gas with a pressure of 1.25 atm at 90 Celsiusis cooled to -17 Celsius. 2)A sample of N2 with a pressure of 790 mm Hg at -75 Celsius is heated to 34 Celsius
A solution is prepared by mixing 77.0 mL of 5.00 M HCl and 11.0 mL of 8.00 M HNO3. Water is then added until the final volume is 1.00 L. Calculate [H+], [OH -], and the pH for this solution.
What occurs at the molecular level of an extraction? We did an extraction of benzoic acid using NaOH and diethyl ether dried to 1, 4-dimethoxybenzoate using NaOh
What would be the effect of increasing the temperature on the following reaction? C2H2(g) + H2O(g) CH3CHO(g) DHrxn = -15 1 kJ 1. [CH3CHO] would increase
Arrange the following solutions in order of decreasing freezing point: 0.20 m Fe(OH)2, 0.15 m C6H12O6, 0.10 m K3PO4, 0.15 m CH3CH2COOH, 0.35 m LiI.
How many mL of a 45.0%(m/v) solution of NaCl would you need in order to have 12.0g of NaCl? Molar mass of NaCl is 58.54g/molhow many mL of a 45.0%(m/v) solution of NaCl would you need in order to have 12.0g of NaCl
a sample of hydrogen gas was collected over water at 36degc and 855 mm hg. the volume of the container was 6.50 l.
Calculate the values of Avogadro's number and the Faraday assuming the charge in an electron is 1.602 x 10^-19 coulombs/electron. Also calculate the mass the magnesium anode have lost during the process. The answers will be a number.
Determine molar mass for this compound and oxidation state of lead in it. write the oxide formula of lead for the corresponding oxidation state
using 1.16x10^-12 for ksp, calculate how many milligrams of Ag2CrO4 will dissolve in 10mL of H2O
If 4.50 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?
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