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If you dilute 19.0 mL of the stock solution to a final volume of 0.290 L, what will be the concentration of the diluted solution?
Solder is used in the electronics industry because it has a low melting point and can make durable electrical connections between copper wires. Electronic solder is an alloy of tin and lead.
how many atoms of iodine are in .500 moles of caio32? how many grams of calcium iodate are needed to supply this much
A sample of ideal gas is in a sealed container. The pressure of the gas is 695 torr, and the temperature is 27 degrees celsius. If the temperature changes to 84 degrees celsius with no change in volume or amount of gas, what is the new pressure,P2..
What is the pH of a buffer if 23 grams of sodium hydrogen phosphate and 10 g of sodium dihydrogen phosphate are added to 200 ml of distilled water. What is the molarity of phosphate ion in this buffer
Suggest at least one characteristic absorption each in the IR spectra of 9 fluorenone and 9 hydroxyfluorene that could be used to distinguish between these two compounds
A 247.7mg sample of an unknown substance was submitted for combustion analysis. The sample yielded 632.64 mg of Carbon dioxide and 259.04mg of water. 1) What is the empirical and molecular formular of this unknown substance
Calculate Gibbs free energy and determine the type of thermodynamic reaction and what type of thermodynamic reaction is shown.
Iron is obtained commercially by the reaction of hematite (Fe2O3) with carbon monoxide. How many grams of iron is produced when 25 mol of hematite reacts with 30 mol of carbon monoxide? with the balanced equation of Fe2O3 + 3CO = 2Fe + 3CO2
Given that the pka of h2so4 is -9 and that hno3 is -1.4, explain why nitration occurs more rapidly in a mixture of concentrated nitric acid and sulfonic acids than in concentrated nitric acid alone
what is the osmolarity of a solution containing 0.1 m nano3 and 0.2 m nacl? what is the molarity of the solution
If the molar of a binary compound has a molar mas between 145 and 160 amu and contains 52.98% oxygen and the balance chhlorine what is the molecular formula
based on molecular structure arrange the following sets of oxyacids in order of increasing acid strength.hclo3 hio3
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