Questions from General Chemistry

Q: Concentrated hydrochloric acid is made by pumping hydrogen chloride gas into distilled

Concentrated hydrochloric acid is made by pumping hydrogen chloride gas into distilled water. If concentrated HCl contains 439 g of HCl per liter, what is the molarity?

Q: For each of the following solutions, the mass of solute is

For each of the following solutions, the mass of solute is given, followed by the total volume of the solution prepared. Calculate the molarity of each solution. a. 3.51 g NaCl; 25 mL b. 3.51 g NaCl...

Q: Water is the most common amphoteric substance, which means that,

Water is the most common amphoteric substance, which means that, depending on the circumstances, water can behave either as an acid or as a base. Using HF as an example of an acid and NH3 as an exampl...

Q: How many moles of the indicated solute does each of the following

How many moles of the indicated solute does each of the following solutions contain? a. 1.5 L of 3.0 M H2SO4 solution b. 35 mL of 5.4 M NaCl solution c. 5.2 L of 18 M H2SO4 solution d. 0.050 L of...

Q: How do the components of a conjugate acid–base pair differ

How do the components of a conjugate acid–base pair differ from one another? Give an example of a conjugate acid–base pair to illustrate your answer.

Q: If 10. g of AgNO3 is available, what volume of

If 10. g of AgNO3 is available, what volume of 0.25 M AgNO3 solution can be prepared?

Q: The “Chemistry in Focus” segment Garden-Variety Acid–

The “Chemistry in Focus” segment Garden-Variety Acid– Base Indicators discusses acid–base indicators found in nature. What colors are exhibited by red cabbage juice under acid conditions? Under basic...

Q: Calcium carbonate, CaCO3, can be obtained in a very pure

Calcium carbonate, CaCO3, can be obtained in a very pure state. Standard solutions of calcium ion are usually prepared by dissolving calcium carbonate in acid. What mass of CaCO3 should be taken to pr...

Q: Calculate the pH of each of the following solutions from the information

Calculate the pH of each of the following solutions from the information given. a. [H+] = 4.78 * 10-2 M b. pOH = 4.56 c. [OH-] = 9.74 * 10-3 M d. [H+] = 1.24 * 10-8 M

Q: How many milliliters of 18.0 M H2SO4 are required to

How many milliliters of 18.0 M H2SO4 are required to prepare 35.0 mL of 0.250 M solution?