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A solution is prepared by mixing 50.0 mL of 0.50 M Cu(NO3)2 with 50.0 mL of 0.50 M Co(NO3)2. Sodium hydroxide is added to the mixture. Which precipitates first? Ksp = 2.2 × 10-20 for Cu(OH)2, Ksp = 1.3 × 10-15 for Co(OH)2
A container consists of CO2 gas at a temperature of 15 C and at a pressure of .990 atmospheres. The volume of the container is 500 mL. How many grams of CO2 would be in the container?
The mass percentage of iodine in the compound was determined by converting the iodine in a 0.850 g sample of the compound into 2.31 g of lead(II) iodide. What is the empirical formula of the compound? Could the compound also contain oxygen?
A certain amount of glucose, C6H12O6 burned in oxygen, and produced 22 grams of carbon dioxide, CO2. How many grams of water was produced at the same time?
Sulfur trioxide dissolve in water, producing H2SO4. How much sulfuric acid can be produced from 13.5 mL of water and 26.1g of SO3?
The mass ratio of sodium to fluorine in sodium floride is 1.21:1. a sample of sodium fluoride produced 26.5g of sodium upon decomposition how many grams of fluorine was formed.
The water level in a graduated cylinder initially at 210 mL rises to 277 mL after a piece of lead is submerged. What is the mass in grams of the lead?
Application of the concepts of VSEPR theory leads us to conclude that the shape of the SO3 molecule is
Why is it important to not dilute an initial sample before it hasbeen loaded
A 6.50-g sample of copper metal at 25.0 C is heated by the addition of 84.0 J of energy. The final temperature of the copper is ____ C.The specific heat capacity of the copper is 0.38J/g-K.
Naming compounds containing double as well as triple bonds, Alkenes contain double bonds while alkynes contain triple bonds. How do you name a compound that has both a double and a triple bond
determine whether the various proteins are integral or peripheral and exposed to which side of the membrane
If it requires 0.00249 mol of NaOH to reach the endpoint, and if we had originally placed 14.92 mL of H3C6H5O7 in the Erlenmeyer flask to be analyzed, what is the molarity of the original H3C6H5O7 solution
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