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A student prepared a sodium carbonate solution that was 8.124g dissolved in a 250.0mL volumetric flask. Some of the solution was transferred to a graduated pipette. What volume of solution should be dispensed from the graduates pipet to provide 5.124 mol of sodium carbonate?
Assuming Kf= 478Kg/s^2, calculate and compare the fraction of molecules in the first excited vibrational state at 1000K
A 0.2365 g portion of this metal is dissolved in nitric acid and the silver ions precipitated with excess NaCl. After filtering and drying the mass of the precipitate is found to be 0.2865g. 1) What is the purity of the original metal
an organic compound containing only c h and n yields the following data. i. complete combustion of 35.0mg of the
Explain what are the 4 most abundant carboxylic acid components that include triglycerides in coconut oil used to make soap
The mass percentage of hydrochloric acid within a solution is 10.00%. Given that the density of this solution is 1.049 g/mL, find the molarity of the solution.
Explain the contents of the closed box in each of the illustrations represent a system as well as the arrows show the changes to the system during some process. The lengths of the arrows represent the relative magnitudes
What is the frequency of ultraviolet light with wavelength 2.51 × 10-8 m? (c = 3.00 × 108 m/s)
a battery consists of two or more electrochemical cells connectedtogether. for example a 12-v car battery has several
If the same volume of the buffer was 0.330 M in HF and 0.330 M in NaF, what mass of NaOH could be handled before the pH rises above 4.00?
Calculate the % atom economy for the following two methods for converting benzene, C6H6, to aniline, C6H5NH2.Method 1: C6H6 + (CH3)3SiN3 + 2 F3CSO3H + NaOH
analyze the state shape the hybridization of the central atom and give the ideal bond angles and any expected
If 37.4 grams of water decomposes at 297 Kelvin and 1.30 atmospheres, how many liters of oxygen gas can be produced? 2 H2O (l) yields 2 H2 (g) + O2 (g)
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