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Weak acid unknowns with a solution of NaOH of about 0.10 mol/L. The lowest molecular weight on the list of unknowns is formic acid, MW = 46.03 g/mol. Your titration volume should be between 10 mL and 50 mL. What are the smallest (first answer box) and largest (second answer box) masses of formic acid that would give titration volumes within the limits above? (Note: two significant figures are required)
Hydrogen and nitrogen react to form ammonia, NH3. Calculate the mass of NH3 produced from the reaction of 14 g N2 and 1.0 g H2.
Imagine that a chemist has cyclohexanone, triphenylphosphine, butyllithium, and 2-bromobutane. Draw the organic product resulting
Calculate the density of the sample. Show all work and use significant figures and units.
what is the molality of ethanol in a solution made by dissolving 14.6g of ethanol, C2H5OH, in 53.6 g of water?
For the following reaction, 5.21 grams of nitrogen gas are allowed to react with with 5.51 grams of hydrogen gas.nitrogen (g) + hydrogen (g) ammonia (g),What is the maximum amount of ammonia that can be formed.
The activation energy for a reaction is found to be 80 kj/mol. calculate the temperature at which the rate will be ten times that of 0 deg. celsius.
What volume would 50.0 L of Helium gas at a pressure of 736 Torr and 20 C occupy at STP
Calculate the activity coefficient of glucose in this solution if the solution freezes at -0.66 C.
What is the normality formula. What is the normality of: a) 0.45M Al(OH)3 b) 0.122M H2SO4 c) 0.675M H3PO4
If we inject 120.0 mL of liquid helium and allow the entire system to warm to room temperature (25°C), what is the pressure inside the bottle
calculate the partial pressue of nitrogen? What is the initial pressue of nitrogen?
Write a balanced equation including states of matter for the reaction of Zn(H2O)4 in aqueous NaCN.
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