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Calculate the volume in liters of a 0.024 micro M copper (II) sulfate solution that contains 11.0 mol of copper (II) sulfate .
When mixed HCl an acid and NaOH a base will react with each other. a) Write the balanced neutrali zation equation for this reaction
you have dissolved 0.298 g of soda ash into 80 mL of deionized water. It took 19.8 mL of 0.0998 M HCl to titrate the solution to the second equivalence point. What is the percent Na2CO3 in the soda ash?
What is the concentration of sodium in a river water sample that reads 115.0? the correct answer is: 17.9 ppm. how to obtain this answer since the plot is not linear.
How do you account for the trend of melting points in this series of acids? octanoic (caprylic) C8H16O2 at 17.5 degrees C, decanoic (capric) C10H20O2 at 31.5 degrees C, dodecanoic (lauric) C12H24O2 at 44 degrees C, tetradecanoic (myristic) C14H28O..
An unknown metal M reacts with sulfur to form a compound with the formula MS. If 4.37 g of M reacts with 2.51 g of S, what are the names of M and MS?
How many grams of sodium ion Na+ are in 2.50 g toothpaste. A toothpaste contains 0.24 by mass sodium fluoride used to prevent dental caries and 0.30 by mass triclosan , a preservative and antigingivitis agent
What is the percent mass concentration of NaCl in a solution that is prepared by adding 15.0 g of NaCl to 90.00 g water? What happens to each of the following properties of a solution when the concentration of solute is decreased?
The density of silver is 10.5 g/mL. What is the mass (in grams) of a piece of silver with a volume of 23.6 mL
Assume you dissolve 6.73 grams Na2CO3 in enough water to make 250 mL of solution. What is the molarity of the sodium carbonate?
Calculate the mass of hydrogen per oxide needed to obtain 0.460 L of oxygen gas at STP. 2H2O2(aq) → 2H2O(l) + O2(g).
Aluminum has chemical propertied that are similar to magnesium. What observation might you expect with the addition of 6M HCl
Why the temperature of the DSC experiment settings need to be determined via TGA
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