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I am trying to finish calculations for my report. Based on my data, I should be

ID: 1015178 • Letter: I

Question

I am trying to finish calculations for my report. Based on my data, I should be able to find the moles of the unknown solid acid in the sample (I labeled it #6). I don't know how to begin. I found the moles of the unknown liquid acid (which I labeled #1) by taking the volume of NaOH (converted to liters) and multiplying that by the molar concentration of NaOH ( .1001 M). The same NaOH concentration was used for the solid acid, but can I calculate the moles the same way? Or do I need to do something with the recorded grams of acid sample? I apologize for the sideways picture. I messed with it for 15 min and for whatever reason it will not rotate.

Explanation / Answer

As per the definition: Molarity = mol/L

So when you multiply Molarity with Volume you will obviously get the moles.

Here, Moles of the acid = (Volume of the NaOH ) (Molarity of NaOH) = (30.05 ml) x (0.1001 mol/L) = 0.003 moles of acid

Same for the other two trials as well. You can multiply volume and molarity to get the moles.

Final Answer is , YES you can proceed.

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