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Problem- You'd like to prepare a 250.0 mL of a 0.4570 M NaCl solution using a volumetric flask. What mass of NaCl will you need in grams?
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A student weighed out 1.74 grams of sodium hydroxide pellets and added them to 48.0 grams of water in a calorimeter. Extrapolating back to the time of mixing yielded a temperature change at the time of mixing equal to 9. ...
What is the calculation of K c for the following reaction if an initial reaction mixture of 0.600 mole of CO and 1.80 mole of H 2 in a 6.00 liter container forms an equilibrium mixture containing 0.226 mole of H 2 O an ...
2K3PO4(aq)+3MgCl2(aq) → Mg3(PO4)2(s)+6KCl(aq) The molecular equation you determined in Part B is shown above for your convenience. Examine each of the chemical species involved to determine the ions that would be present ...
Explain why the faster red particles in the video slow down and the slower blue particles speed up when they come into contact with each other.
What are the symbol and name of the element whose average atoms have a mass very nearly half the mass of an average silicon atom?
Use valence bond theory to explain the bonding in F2, HF, and ClBr. Sketch the overlap of the atomic orbitals involved in the bonds.
A student weighed out 1.74 grams of sodium hydroxide pellets andadded them to 48.0 grams of water in a calorimeter. Extrapolatingback to the time of mixing yielded a temperature change at the timeof mixing equal to 9.20 ...
The common charges of an element can be related to the electron configuration of the element. Why would copper ions have 2 common charges? Explain each of them in terms of the electron configuration.
Why does a hydrate exist only as a solid? What characteristic of a hydrate is responsible for this phenomenon?
What is the chemical name for S6O and what is the chemical name for S7O2?
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