Explain what is the ph, What is the pH of a 0.25 M NaOH

Explain what is the ph

Assignment Help Chemistry

Reference no: EM13126049

PH and molar concentration of hydrogen ion
1.Given the molar concentration of hydrogen ion [H+] = 6.2 x 10 -7, calculate the concentration of hydroxide ion.

2.Given the molar concentration of hydroxide ion [OH -] = 4.6 X 10 -13, calculate the concentration of hydrogen ion.

3. In 1 mL of water there are 3 X 1022 molecules of H2O. How many hydrogen ions are in 1 mL of water (Hint: In 1 billion water molecules, only 2 are ionized).

4. What is the pH of a 0.25 M NaOH solution?

5. A Rolaids tablet contains calcium carbonate, which neutralizes stomach acid. If 44.55 mL of 0.488 M hydrochloric acid is required to neutralize one tablet, how many milligrams of calcium carbonate are in a Rolaids tablet?

CaCO3.(s) + 2 HCl(aq) ® CaCl2(aq) + H2O(l) + CO2(g)

Reference no: EM13126049

Questions Cloud

Calculate great falls brewerys minimum acceptable : Great Falls Brewery's regular selling price for a case of beer is $15. Variable costs are $8 per case and fixed costs total $2 per case based on production of 250,000 cases.

Question related to tax treatment : H owns 50% of the stcok of Y corporation and has a basis for that stock of $25,000. His wife W owns the remaining 50% of the stock at a basis of $25,000. H has all his stock redeemed for its fair market value of $250,000. What is H's tax treatment..

Running time of set union implementation : The input consists of two arrays each representing a set of integers (in each array, each value appears only once). The output is an array representing the union of the two sets - again, each value appears only once.

Test hypothesis that random sample of bulbs has average life : Test the hypothesis that = 800 hours against the alternative 800 hours if a random sample of 30 bulbs has an average life of 788 hours. Use a 0.04 level of significance.

Explain what is the ph : What is the pH of a 0.25 M NaOH solution? A Rolaids tablet contains calcium carbonate, which neutralizes stomach acid. If 44.55 mL of 0.488 M hydrochloric acid is required to neutralize one tablet, how many milligrams of calcium carbonate are in a ..

Differences between permutations and combinations : What are some similarities and differences between permutations and combinations? Give a real-life example of either a permutation or combination.

Local government was awarded a federal grant : The federal government provided the funds the following months. The local government would recognize revenues for the fiscal year ended June 30, 2009 in which amount?

Summarize how psychological disorders are classified : Create an 8- to 12-slide Microsoft® PowerPoint® presentation with speaker notes. Summarize how psychological disorders are classified. Include the role of the DSM -IV-TR®. Your presentation must have at least one slide for each major class of psyc..

What is the profitability index for this investment : The Mejicano company is planning to purchase a piece of equipment that will reduce annual cash expenses over its 5-year useful life by equal amounts.

User Account

All Pages