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How do you solve for the molarity, molality, or mass percent of solute while only given two other bits of information. For instance, the molality & mass %of solute given the density and molarity
Reactions of alcohols with hydrogen halides yield the important class of compound known as alky halides. Reactivity towards the hydrogen halides with an alcohol decreases
If I add 1.65 L of water to 112 grams of sodium acetate what is the molality of NaC2H3O2 in this solution?
What mass of Aluminum is produced when 0.5 mole of Al2S3 is completely reduced with excess H2?
A solution of 0.2113 g of water dissolved in 25.0 g of a solvent freezes at 11.5 °C below the freezing point of the solvent. What is Kf for this solvent?
find the time required for the total pressure in the system containing N2O5 at an initial pressure of 0.1 atmospheres to raise to 0.145 atmosphere
Calcium hydroxide and sulfuric acid can react to produce calcium bisulfate and water. When 0.0720 mol of sulfuric acid are reacted with 0.0240 mol of calcium hydroxide, how much calcium bisulfate, Ca(HSO4)2, will be produced?
Starting with a 0.04 M solution and making a series of 1:100 dilutions, how many dilutions must you make to prepare a solution,
What mass of precipitate will form if 1.50 L of concentrated Pb(ClO3)2 is mixed with 0.850 L of 0.190 M NaI? Assume the reaction goes to completion.
If it takes 30.0 mL of 0.0250 M K2Cr2O7 to titrate 15.0 mL of a solution containing Fe2+, what is the molar concentration of Fe2+?
The decomposition of dimethyl ether (CH3OCH3) to methane, carbon monoxide, and hydrogen gases is found to be first-order.
A 1.994 g sample of ethanol is combusted in a bomb calorimeter. The temperature of the calorimeter increases by 10.91 K. If the heat capacity of the bomb is 615.5 J/K and it contains 1.150 kg of water, what is the enthalpy change per mole of ethan..
if the initial water level in the graduated cylinder is 21.2 ml and the level rises to 27.7 ml after the object is placed in the cylinder, what is the volume of the object?
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