Home Homework Help

Browse Homework Solutions

7,925 solutions

Molarity

Q. 11. A 800.0 L sample of drinking water is found to contain 2.00 mg of arsenic. What is the concentration (in M) of arsenic in the sample?

Solved • Sep 13, 2019

Solution Stoichiometry

Q. Consider the precipitation reaction: 2 Na3PO4(aq) + 3 CuCl2(aq) S Cu3(PO4)2(s) + 6 NaCl(aq) What volume of 0.175 M Na3PO4 solution is necessary to completely react with 95.4 mL of 0.102 M CuCl2?

Solved • Sep 16, 2019

Solution Stoichiometry

Q. Consider the precipitation reaction: 2 Na3PO4(aq) + 3 CuCl2(aq) S Cu3(PO4)2(s) + 6 NaCl(aq) What volume of 0.175 M Na3PO4 solution is necessary to completely react with 95.4 mL of 0.102 M CuCl2?

Solved • Sep 16, 2019

Naming Ionic Compounds

Q. What do all the cations have in common?

Solved • Sep 16, 2019

Freezing Point Depression

Q. If a 0.900 𝑚 aqueous solution freezes at −3.50 ∘C, what is the van't Hoff factor, 𝑖, of the solute? Consult the table of 𝐾 f values.

Solved • Sep 16, 2019

Ionic and Covalent Bonds

Q. Draw a picture of neutral formula unit Fe3+ and CO32-

Solved • Sep 16, 2019

Periodic Table

Q. Is Fe3+ and CO32- a type 1 metal or type 2?

Solved • Sep 16, 2019