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in an experiment to analyze a sample mixture of sodium carbonate, sodium bicarbonate, and an inert component. 10.00 ml of 0.100M HCL were used to titrate .300g of the sample using phenolphthalein as an indicator. Calculate the number of moles and the mass of sodium carbonate present in the mixture.
write the equations involved in the following
What is the initial concentration of the Fe2+(aq) solution?
What kind of bond is being made with the orbitals between M and C, Ïƒ or Ï€? Predict what will happen to the strength of the CO bond in a metal â€"CO complex as compared to CO alone.
calculate the equilibrium concentrations of H2 and Br2 and HBr? Calculate Kc
Based on the Hume-Rothery Rules, speculate on the possible driving forces behind the tendency for ordering in this system.
The following set of reactions can be used to produce nitric acid, HNO3. Calculate the mass of nitric acid produced from the reaction of 15.5 kg of nitrogen gas with excess hydrogen gas. Each reaction in turn has an excess of the second reactant a..
Copper has a specific heat of 0.092 cal/(g·°C). When 52.7 cal of heat is added to a piece of copper, the temperature increases from 22.4°C to 38.6°C. What is the mass of the piece of copper
What is their role in this reaction? In the case of this particular example that you watched, where would each of these ions have come from?
A laser pulse with wavelength 555 contains 4.40 of energy. How many photons are in the laser pulse?
which of the following accounts for the unusually high boiling point of water? the density of water, the hydrogen bonds in water
What is the equilibrium concentration of hydronium ion in a solution that is 0.0877 M in HX and 0.240 M in X1- ion?
While cytotoxicity, antiviral activity, and immunosuppressant properties of didemnin-C and of its 8 analogs were excellent to very good, these compounds were, unfortunately, dropped from further studies and development at the stage of human trials..
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