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A solution of sulfuric acid is prepared by mixing 66.7 mL of 18.0 M sulfuric acid with 233.3 mL of 1.50 M sulfuric acid, and diluting with water to the total volume of 500 mL. What is the molarity of the final solution?
A) 0.135 M
B) 0.318 M
C) 1.55 M
D) 2.40 M
E) 3.10 M
what is the expected boiling point of a brine solution containing 30.00g of KBr dissolved in 100.0g of water?
Eventually, the water cools to 25.0 degrees celsius while the temperature in the room remains unchanged. Calculate deltaS(sys), deltaS(surr), and deltaS(univ) for this process.
what are the main sources of error in a calorimetry experiement. describe at least three errors.
What is the best oxidizing agent of these four? Could provide an explanation
What range of accelerating voltages would be required to cover the mass range between 16 and 625, for singly charged ions, if the field strength is held constant?
What is the energy of a violet photon with wavelength 4.0 x 10^-7 m?
The empirical formula of a compound is found to be P2O5. Experiments show that the molar mass of the compound is 560g/mol. What is the molecular formula of the compound?
Decomposition of KClO3 is sometimes used to prepare small amounts of O2 in the laboratory: 2KClO3(s) 2 KCl(s) + 3 O2(g). How many grams of O2 can be prepared from 4.50 g of KClO3?
solution requires 18.6 mL of 0.200 M NaOH to reach the end point of the titration, what is the molarity of the acetic acid solution? CH3COOH (aq) + NaOH(aq) CH3COONa (aq) + H2O(l)
Some ice cubes at 0 degrees celsius with a total mass of 335 g. are placed in a microwave and subjected to 750. W of energy for 5 minutes.
If a solution containing 30.06 g of mercury(II) acetate is allowed to react completely with a solution containing 8.564 g of sodium sulfate, how many grams of solid precipitate will be formed?
What is the formula weight of CuI?
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