Problem: Consider the following reaction: Li2S(aq) + Co(NO3)2(aq) → 2 LiNO3(aq) + CoS(s)What volume of 0.160 M Li2S solution is required to completely react with 130 mL of 0.160 M Co(NO3)2?

FREE Expert Solution


So, we will begin solving this problem by analyzing what information we have, to solve this problem:


https://lh5.googleusercontent.com/ugXE5kMCGTOss9zl7Qurp-fu_cbR8HTc87LScjZbNnrl2vdvjvTaMG4vNSYDlxuYBEj-kKJodxrkBtS5T7Wbvmga-YT4A0PF-ij4bmVnMED5gcdim6ezih-t1Jay9jdbkhOP98Oq


We will by doing these steps:

  1. Finding the moles of 0.160 M Co(NO3)2 from given molarity and volume
  2. Finding the moles of Li2S from the moles of Co(NO3)2 using the molar ratio
  3. Finding the volume of Li2S using its molarity.


Step 1


Recall that:

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Problem Details

Consider the following reaction: Li2S(aq) + Co(NO3)2(aq) → 2 LiNO3(aq) + CoS(s)

What volume of 0.160 M Li2S solution is required to completely react with 130 mL of 0.160 M Co(NO3)2?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Solution Stoichiometry concept. You can view video lessons to learn Solution Stoichiometry. Or if you need more Solution Stoichiometry practice, you can also practice Solution Stoichiometry practice problems.

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Based on our data, we think this problem is relevant for Professor Kutai's class at MONTGOMERY COLLEGE.