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A 2.00-g sample of white solid was vaporized in a 345-mL vessel. If the vapor has a pressure of 985 mmHg at 158°C, what is the molecular mass of the solid?
How can the molarity of chloride ion be calculated when 16 mL (2 mL intervals) of 12 M HCL is added to 5 mL of 0.4 M CO(NO3)2?
Calculate the morality of a solution made by dissolving 0.750 grams of Na2 SO4 in enough water to form exactly 850 mL of solution. How many moles of KMnO4 are present in 250 mL of a 0.0475 M solution?
Calculate the pH at the equivalence point for the titration of 0.120 M methylamine (CH3NH2) with 0.120 M HCl
At 25 °C and 775 Torr, carbon dioxide has a solubility of 0.0347 M in water. What is its solubility at 25 °C and 1370 Torr
What volume of 0.160 M of Li2S solution is required to completely react with 125 mL of 0.160 M of Co(NO3)2
A bankrupt chemical firm has been taken over by new management. On the property they found a 20,000 m3 brine pond containing 25,000 mg/L of salt
Select the smaller ion in each of the following pairs. using the format [Ca]2+ for Ca2+.
The most probable mechanism of reactivity for the solvoysis of 2-chloro-norbornane is: a. Sn1 b. Sn2 c. E1 d. E2 The reaction for this secondary compound was very slow going compared to solvolysis of benzyl chloride
The glass floor of the CN Tower's observation deck can withstand a pressure of 14,000 kPa. How many pounds per square inch would this be?
If you weigh .25g of an antacid tablet that weighs 1.42g, what percentage of the tablet have you used? If the tablet contains 250 mg of CaCO3, what mass of CaCO3 do you have in your measured portion
Please Solve these with step by step instructions with phases. It is very hard to understand how to solve them without a photograph and an explanation of why you chose each step
Consider the boron trifluoride molecule, BF3, that results from the bonding of three fluorine atoms and one hybridized boron atom. A) The nub that is seen just below the boron central atom is one of the ends of a hybrid sp2 orbital.
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