Problem: Consider the following hypothetical aqueous reaction:  A(aq) → B(aq). A flask is charged with 0.065 mol of A in a total volume of 100.0 mL. The following data are collected. Calculate the number of moles of  B at 10 min, assuming that there are no molecules of B at time zero.Time (min)010203040Moles of A0.0650.0510.0420.0360.031

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FREE Expert Solution

We are given the following general reaction for  a reaction wherein a flask is charged with 0.065 mol of A in a total volume of 100.0 mL:

A(aq) → B(aq)

We are asked to calculate the number of moles of B at 10 minutes assuming it is zero initially and given the data for the number of moles of A at different times:

 Time (min) 0 10 20 30 40 Moles of A 0.065 0.051 0.042 0.036 0.031
Problem Details
Consider the following hypothetical aqueous reaction:  A(aq) → B(aq). A flask is charged with 0.065 mol of A in a total volume of 100.0 mL. The following data are collected. Calculate the number of moles of  B at 10 min, assuming that there are no molecules of B at time zero.
 Time (min) 0 10 20 30 40 Moles of A 0.065 0.051 0.042 0.036 0.031

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

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Based on our data, we think this problem is relevant for Professor Hemmes' class at TXSTATE.