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How many milliliters of a stock solution of 11.0 NHO3 would you have to use to prepare 0.320 of 0.350 NHO3?
Conversion for a Specific Product, Indicate the reaction conditions you would employ to accomplish the following
A 325-mL sample of solution contains 25.3 g of CaCl2, which is fully dissolved. (a) Calculate the molar concentration of Cl- in this solution. (b) How many grams of Cl- are in 0.100 L of this solution?
Tums is an example of an antacid that contains calcium carbonate , caco3. consider the reaction between this basic material and HCI. how many moles of HCI do you need to neutralize
Consider the mechanism of reduction of WO3. At least two mechamisms are possible to the formation of HxWO3 during intercalation of WO3
72.0 mL of a 1.60 M solution is diluted to a volume of 268 mL. A 134-mL portion of that solution is diluted using 139 mL of water.
A buffer solution is prepared by dissolving 0.075 moles of HOBr and 0.075 moles of NaOBr in 500mL of solution. Calculate the pH of this buffer. (HOBr: Ka = 2.4 * 10^-9)
Predict what will happen and check your predictions. Change the styling so that instead of the color changing the link becomes bold when you hover over it. (You need to use the font-weight property.) Why does the white background extend to the end..
When scuba diving, it is important to come back to the surface of the water from deep dives slowly. If this does not happen, then the diver can get the ?bends?.
A gas sample in a piston assembly expands, doing 588 kJ of work on its surroundings at the same time that 372 kJ heat is added to the gas.
For the hypothethical reaction A-products, the concentration of A was monitored with time. from the followimg graph
For a 15.0% (by mass) NaCl solution, find A) The mass of NaCl in 150g of the solution b) the amount of solution needed to obtain 35.0g NaCl c) mass of NaCl needed to make 1000g of the solution.
draw Lewis Structures for the following FIVE elements.
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