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By Solving this problem student can find limiting as well as excess reactant and also amount of product formed, as well as amount of excess reactant after the reaction is over.
A 9.00 g sample of H3C6H5O7, citric acid in lemon juice reacts with 14.3 g of baking soda, NaHCO3. A) Howmany grams of carbon dioxide will be produced, which is called the theoretical yield? B) What substance is the limiting reactant? C) What substance is in excess? D) How many grams of the excess reactant is leftover (remaining) after the reaction stops?
Pathological consequences might ensue if various components of the regulation of signal transduction are altered inappropriately.
At a certain concentration of reactants the rate of appearance of water in the following reaction is 0.26 M/s.
what would the coefficent of Al(NO3)3 be in the balanced equation?
Calculate the pH of 0.40 M KNO2. What is the concentration of HNO2 in the solution
What is the thickness of the resulting SiO2 water? The molecular weights of Si and SiO2 are 28 and 60 g/mol, respectively. The densities of Si and SiO2 are 2.33 and 2.27 g/cm3, respectively.
0.554g sample that is a mixture of oxalic acid, H2C2O4 and another solid that does not react with sodium hydroxide. If 29.58 mL of 0.550 M NaOH is required to titrate the oxalic acid in the 0.554g sample to the equivalence point
Sodium bicarbonate is often used as an antacid to neutralize excess hydrochloric acid in an upset stomach. What mass of hydrochloric acid (in grams) can be neutralized by 2.3g of sodium bicarbonate?
Describe how this observation is consistent with the law of conservation of charge.
If the densities of 20%, 50% and 70% solutions are 0.69 and 0.58 and 0.49 g/mL, respectively, and the denisty of the unknown solution is 0.50 g/mL, what is the approximate concentration of the unknown solution.
Calculate the percent by mass of aluminum in the sample. The vapor pressure of water at 20 degree C is 17.5 Torr.
Calculate the molality and molarity of an NH3 solution made up of 28.5 g of NH3 in 70.0 g of water. The density of the solution is 0.982 g/mL.
Use values of Ksp for Zn(OH)2 and Kf for Zn(OH)4-2 (page 330) to predict if a precipitate will form when you prepare a solution which contains 0.010 M Zn2+ and 1.0 M NaOH.
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