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What does it mean when it says show sample calculation for the unknown concentration interpolated from calibration curve?And how do you find the concentration of a chemical when all you know is tolerance and absorbance
A solution containing 10.mmol of CO3^-2 and 5.0 mmol. Of HCO3- is titrated with 1.0M HCL What total volume of HCL must be added to reach the second equivalence point?
If a vessel containing NO2 has an initial concentration of 2.8 x 10-2 mol/L, how long will it take for 75 of the NO2 to decompose? The decomposition of NO2 is second order in the reactant and the rate constant is 1.1 L/mol x s.
Give the steps to prepare the column required for the best purification of 0.40g of crude product using silica
Explain what is saturated sodium chloride, rather than pure water, utilized for this procedure and the subsequence washing of the organic layer
When a substance is heated it glows and emits a certain amount of radiant energy that corresponds to particular energies in the electromagnetic spectrum.
When aqueous solutions of sodium hydroxide
A can of mineral water contains 345 mL of water. How many molecules of water does the can contain? (water = 1.00 g/mL)
When atoms of the hypothetical element X are placed together, they rapidly undergo reaction to form the X2 molecule. Would you predict that this reaction is exothermic or endothermic?
What should be the normality of a sodium hydroxide solution if exactly 25.00ml are to be used to titrate 25.00of a vinegar sample containing 4.80% acetic acid
If the sulfate anion (SO42-) is formed at a rate of 0.040 M/min, what is the rate of formation of I3-. What is the rate of consumption of S2O82-. What is the rate of consumption of I-
Label the anode, cathode and direction of e- flow an write the half reaction equation for each electrode
"Discuss in detail, one way in which atomic nuclear decay takes place. What is the significance of atomic nuclear decay? Analyze the societal implications of using this process".
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