4. A 35.0 mL sample of 1.00 M KBr and a 60.0-mL sample of 0.600 M KBr are mixed. The solution is then heated to evaporate water until the total volume is 50.0 mL. What is the molarity of the KBr in the final solution?

  1. 👍 0
  2. 👎 1
  3. 👁 504
  1. mols KBr soln 1 = M x L = ?
    mols KBr soln 2 = M x L = ?

    final M = total mols KBr/volume in L.

    1. 👍 0
    2. 👎 1
  2. Chemistry

    1. 👍 0
    2. 👎 1

Respond to this Question

First Name

Your Response

Similar Questions

  1. statistics

    A simple random sample of 60 items resulted in a sample mean of 80. The population standard deviation is 15. a) Compute the 95 % confidence interval for the population mean. b) Assume that the same sample mean was obtained from a

  2. statistics (please help)

    Choose the correct response. Why is sampling without replacement acceptable with a large population? a. When a small sample is taken from a large population, the samples maintain their independence. b. When a large sample is taken

  3. statistics

    A sample of 100 iron bars is said to be drawn from a large number of bars. Whose lengths are normally distributed with mean 4 feet and S.D 0.6ft. If the sample mean is 4.2 ft, can the sample be regarded as a truly random sample?

  4. Chemistry

    A 5.0-g Sample of KBr at 25.0 degrees celsius dissolves 25.0 mL of water also at 25.0 degrees celsius. The final equilibrium temperature of the resulting soltution is 18.1 degrees celsius. What is the enthalpy of of solution in

  1. chemistry

    0.872g sample containing only NaBr and KBr gives 1.052g AgBr. what's the % of each salt? This is the type of problem that cannot be answered without other information. I think you have made a typo in your problem I worked through

  2. Science

    A scientist observed two rock samples. Sample A was found in the bottom of a dried-up lake and contained fossils. Sample B was found near a volcano and was glassy in appearance. Which statement is MOST LIKELY correct? A. Sample A

  3. Statistics (42)

    A simple random sample of 60 items resulted in a sample mean of 96. The population standard deviation is 16. a. Compute the 95% confidence interval for the population mean (to 1 decimal). ( , ) b. Assume that the same sample mean

  4. Chemistry

    A 0.200 g sample containing Cu is dissolved, and a diethyldithiocarbamate coloured complex is formed. The solution is then diluted to 50.0 mL and the absorbance measured as 0.260. A 0.500 g sample containing 0.240% Cu is treated

  1. Government

    1) The portion of the population selected to participate in a poll is known as the a. public b. population c. deliberative group d. sample e. focus group 2) A sample that does not overrepresent any portion of the population and

  2. chem

    If a sample of Mg3(PO4)2, has a mass of 0.600 g, what is the mass of phosphorus in that sample?

  3. statistics

    The Democrat and Chronicle reported that 25% of the flights arriving at the San Diego airport during the first five months of 2001 were late (Democrat and Chronicle, July 23, 2001). Assume the population proportion is p = .25. 1.

  4. Chemistry

    In Part B, we determined the water hardness of a water sample by combining the water sample with a 10.00 mL sample of calcium chloride, then titrating with EDTA. If we substituted distilled water for the water sample, how would

You can view more similar questions or ask a new question.