Question

In: Chemistry

You take a groundwater sample and find that the initial pH = 5.6 and ALK =...

You take a groundwater sample and find that the initial pH = 5.6 and ALK = 10--3eq/L. (a) Find the initial CT in the groundwater. (b) Now, if you let the sample sit in an open container for awhile (i.e. allowing it to reach equilibrium with the atmosphere), what will the new pH and CT be?

Solutions

Expert Solution


Related Solutions

You take a random sample of 78 houses and find that 54 of them plan to...
You take a random sample of 78 houses and find that 54 of them plan to give out chocolate   A- Give the margin of error and the 95% confidence interval for the proportions of candies that are chocolate. B- We want to still keep a 95% conference interval, but we want the interval to be narrower, what can be done? why does it work?
Suppose you take a sample of 50 random people with COVID-19 and find that 30 of...
Suppose you take a sample of 50 random people with COVID-19 and find that 30 of them are asymptomatic (show no symptoms), .   Suppose you want to test FOR whether or not the percent of individuals with COVID-19 who are asymptomatic is greater than 50%. What is the null and alternative hypotheses for this test? What are the critical values for conducting the hypothesis test at the 10%, 5%, and 1% significance levels? What is the test statistic for the...
A 50 mL sample of water has an initial pH of 11.2. Determine the total alkalinity...
A 50 mL sample of water has an initial pH of 11.2. Determine the total alkalinity and the different species of alkalinity if the equivalence point is reached at 8 mL of 0.01 N H2SO4 and 4.5 equivalence point is reached at 18 mL of 0.01 N H2SO4. (10 points
When a groundwater sample was analyzed for the pe:rchlorate ion it gave a signal of 16.8...
When a groundwater sample was analyzed for the pe:rchlorate ion it gave a signal of 16.8 mV. When 2.00 ml of 0.0500 M pe:rchlorate standard (standard addition) adde,d to 150.0 ml of the groundwater sample, the: signal increased to 2761 mV. Find the: concentration of perchlorate ion in the original groundwater sample.
calculate the initial pH and the pH after each 2ml addition of 0.10M NaOH. i) initial...
calculate the initial pH and the pH after each 2ml addition of 0.10M NaOH. i) initial pH a) 2ml of 0.10M of NaOH has added to 50ml of 0.50M HC2H3O2/0.050M NaC2H3O2 b) 8ml of 0.10M of NaOH has added to 50ml of 0.50M HC2H3O2/0.050M NaC2H3O2 c) 10ml of 0.10M of NaOH has added to 50ml of 0.50M HC2H3O2/0.050M NaC2H3O2
Dorman Industries has a new project available that requires an initial investment of $5.6 million. The...
Dorman Industries has a new project available that requires an initial investment of $5.6 million. The project will provide unlevered cash flows of $785,000 per year for the next 20 years. The company will finance the project with a debt-to-value ratio of .4. The company’s bonds have a YTM of 6.6 percent. The companies with operations comparable to this project have unlevered betas of 1.26, 1.19, 1.41, and 1.36. The risk-free rate is 3.6 percent, and the market risk premium...
Suppose we take a poll (random sample) of 3992 students classified as Juniors and find that...
Suppose we take a poll (random sample) of 3992 students classified as Juniors and find that 2818 of them believe that they will find a job immediately after graduation. What is the 99% confidence interval for the proportion of Juniors who believe that they will, immediately, be employed after graduation. (0.694, 0.718) (0.687, 0.724) (0.699, 0.713) (0.692, 0.72)
Suppose we take a poll (random sample) of 3907 students classified as Juniors and find that...
Suppose we take a poll (random sample) of 3907 students classified as Juniors and find that 2904 of them believe that they will find a job immediately after graduation. What is the 99% confidence interval for the proportion of GSU Juniors who believe that they will, immediately, be employed after graduation. (0.725, 0.761) (0.732, 0.755) (0.73, 0.757) (0.736, 0.75)
How do you find the pH of any amino acid at a particular pH. Please explain...
How do you find the pH of any amino acid at a particular pH. Please explain the basics clearly. I am completely lost. Thanks
Titration: calculate (a) the initial pH, (b) the volume and the pH at 1/3 of the...
Titration: calculate (a) the initial pH, (b) the volume and the pH at 1/3 of the equivalence point, (c) the volume and the pH at 2/3 of the equivalence point, (d) the volume and the pH at 99/100 of the equivalence point, (e) the volume and the pH at the equivalence point, (f) the volume and the pH at 101/100 of the equivalence point, (g) the volume and the pH at 4/3 of the equivalence point, and (h) the volume...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT