Chem 11 Review Test 1

 

Match the following.

 

1.                           Acid             a)  KOH                           e) HCl

2.                           Nonacid       b)  CH3COOH                  f) NH4Cl

3.                           Salt              c)  N2O                            g) Ba(OH)2

4.                           Base             d)  HOH                           h) AgNO3

 

5.       200.0 g of NaCl are dissolved in 100. mL of water. Calculate the molarity of the solution.

 

 

 

 

 

 

 

6.       How many grams of AgCl are required to prepare 150.0 mL of 0.200 M solution?

 

 

 

 

 

 

7.       How many liters of 0.200 M AgCl are needed to provide 50. g of AgCl?

 

 

 

 

 

 

 

8.       100. g of AlCl3 is dissolved in 200.0 mL of water, calculate both ion concentrations. Write a dissociation equation to show the ionization of the salt in water.

 

 

 

9.       In three runs of a titration, 36.9, 34.4, and 34.3 mL of 0.200 M NaOH were used to neutralize a 25.0 mL sample of H2SO4. Calculate the molarity of the acid. Begin by writing a chemical equation for the reaction.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10.     Calculate the molarity of the excess NaOH in the solution formed by mixing 50.0 mL of 0.200 M HCl with 50.0 mL of 0.200 M HNO3 and 75.0 mL of 0.300 M NaOH. Begin by writing a chemical equation for the reaction.

 

 

 

 

 

 

 

 

 

 

 

11.     A empty beaker has a  mass of 29.86 g. The same beaker is filled with 0.250 L with a solution of CaCl2 and weighs 87.26 g. The solution is evaporated to dryness and the mass of the beaker and solid is 62.31 g. Calculate the molarity of the solution.

 

 

 

 

12.     Complete the formula equation:

 

AgNO3(aq)    +    Na2SO4(aq)     ------>

 

Complete the complete ionic equation:

 

 

Complete the net ionic equation:

 

 

13.     Complete the formula equation:

 

 

H3PO4(aq)    +    Sr(OH)2(aq)     ------>

 

 

Complete the complete ionic equation:

 

 

 

Complete the net ionic equation:

 

 

14.     Complete the formula equation:

 

Fe3(PO4)2(aq)    +    Zn(s)     ------>

 

 

Complete the complete ionic equation:

 

 

 

Complete the net ionic equation:

 

 

 

 

 

 

 

15.     40.0 mL of 0.600 M AlCl3 is added to 80.0 mL of water. What are all ion concentrations?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16.     200.0 mL of 0.150 M AlCl3 is added to 200.0 mL 0.250 M BaCl2, calculate the [Ba2+], [Al3+] and the [Cl-] immediately after mixing the two solutions.

 

 

 

 

 

 

 

 

 

 

 

17.     An impure sample of H3C6H5O7(s) weighing 3.94 g is dissolved in water and the neutralized with 13.56 mL of 0.330 M KOH. Calculate the percent by mass of H3C6H5O7(s)  in the original sample.