Questions from General Chemistry

Q: An acid such as HCl that strongly conducts an electric current when

An acid such as HCl that strongly conducts an electric current when dissolved in water is said to be a(n) acid.

Q: How many equivalents of hydroxide ion are needed to react with 1

How many equivalents of hydroxide ion are needed to react with 1.53 equivalents of hydrogen ion? How did you know this when no balanced chemical equation was provided for the reaction?

Q: For each of the following solutions, calculate the normality.

For each of the following solutions, calculate the normality. a. 25.2 mL of 0.105 M HCl diluted with water to a total volume of 75.3 mL b. 0.253 M H3PO4 c. 0.00103 M Ca(OH)2

Q: The ion-product constant for water, Kw, has the

The ion-product constant for water, Kw, has the value at 25 °C.

Q: Calculate the normality of each of the following solutions. a

Calculate the normality of each of the following solutions. a. 0.250 M HCl b. 0.105 M H2SO4 c. 5.3 * 10-2 M H3PO4

Q: Calculate the normality of each of the following solutions. a

Calculate the normality of each of the following solutions. a. 0.134 M NaOH b. 0.00521 M Ca(OH)2 c. 4.42 M H3PO4

Q: A solution of phosphoric acid, H3PO4, is found to contain

A solution of phosphoric acid, H3PO4, is found to contain 35.2 g of H3PO4 per liter of solution. Calculate the molarity and normality of the solution.

Q: A buffered solution is one that resists a change in when either

A buffered solution is one that resists a change in when either a strong acid or a strong base is added to it.

Q: How many milliliters of 0.50 N NaOH are required to

How many milliliters of 0.50 N NaOH are required to neutralize exactly 15.0 mL of 0.35 N H2SO4?

Q: Calculate the [H+] in each of the following solutions,

Calculate the [H+] in each of the following solutions, and indicate whether the solution is acidic, basic, or neutral. a. [OH-] = 7.86 * 10-4 M b. [OH-] = 5.44 * 10-2 M c. [OH-] = 3.19 * 10-3 M d....