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If 60.0 g of H3PO4 is dissolved in enough water to form 175 mL of solution, what is the molarity (M) of the solution?
A)2.0 M
B)0.5 M
C)0.29 M
D)342.9 M
E)3.5 M
Which of the following element is the most inert according to the prediction of the Lewis bonding theory?
Balance the following electrochemical equation for a basic environment. MnO41- + Pb4+ ------> MnO + Pb
helium atoms do not combine to form He2 molecules, yet He atoms do attract one another weakly through? (a). dipole-dipole forces
How much heat is required to warm 227 g of ice from -45.5°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C.
A solution made by adding 105g of NaCl to 1 kg of water freezes at 20 degrees F (-6.7 degrees Celsius). Calculate the mass of CaCl2 that would lead to the same freezing point depression
In the near future, the college will attempt to reduce the cost of chemicals used in campus laboratories. One option suggests the chemistry department use household chemicals instead of expensive laboratory grade materials were ever possible.
What is the molarity of a solution that contains 464.3 grams of phosphoric acid, H3PO4, in 3.2 L of solution
how much kaolin (in grams) should be used to prepare 2.0g of a 1:30 dilution of hyoscine in kaolin? Both substances are solids.
2 nas 2 h2ol 2 naohaq h2gthe hydrogen gas generated is collected over water at 25.0degc. the volume of the gas is 535
write the most stable lewis structure for C2F4 and state the hybridization of the carbon atom
Once, it is important that the level of the elution solvent not drop below the top of the adsorbent why? the absorbent is packed in a liquid chromatography column
Calculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom.
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