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What mass of HCl is contained in 30.0ml of a solution which is 37.2 mass% HCl has a density of 1.19g/ml.
Determine What is the percent yield of carbon dioxide(CO2) if 50.0 grams of C2H2 ,acetylene is allowed to react with excess O2, 75.0 grams of carbon dioxide are formed.?
Methane and hydrogen sulfide form when 36g H2 reacts with carbon disulfide. calculate the percent yield if the actual yield of CH4 is 69.8 g
Gaseous ammonia reacts with oxygen gas to produce gaseous nitrogen monoxide and liquid water. If 750 grams of ammonia and 750 grams of oxygen gas were mixed
Provide the reagents necessary for the following syntheses. More than one step may be required. (a) (b) (c) (d) (e) (f)
What is the boiling point of a solution of 0.150 mole Al(NO3)3 in 0.500 kg water? (Kb=0.512 degrees C m-1). A) 100.15 B) 100.61 C) 99.39 D) 100 E) 100.31 If you could explain how you got the answer it would be greatly appreciated.
The density of solutions are assumed to be the same as water. If the density of all 3 solutions was actually 1.1 g/mL, how would the heat of the reaction be affected?
Calculate the weight of benzene codistilled with each gram of water and the percentage composition of the vapor produced during steam distillation.
There is an inherent flaw in the drying procedure for the gravimetric determination that causes the measured mass of BaSO4 to be erroneously high
Why are fluorescence measurements made at 90 degrees from the incident beam in most cases? 3. What is the ideal cuvette placement to avoid pre- and post-filter effects?
Which of the following correctly shows the oxidation numbers for each of the elements in H2PO4?, I2, and Al(OH)4
A NaOH solution that is 18.1M, has a density of 1.250 g/ml. What is the molality? Mass Percent? and Mole Fraction?
briefly describe your synthetic strategy. you may use any reagents of your choice. if any reagent you wish to use is unstable and has a small shelf-life
What would be the pH of 87 mL of the buffer to which 8.5 mL of 0.11 M hydrochloric acid has been added?
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