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**Question:**

Prepare a standard solution of oxalic acid (approx. 0.05M). Use it to find the conc of the given solution of CaCOH. Use this to standardize the given solution of HCl.

So basically I am suppose to do this as an inclass lab. I will be given a 250 ml volumetric flask where i will have to mix water and a calculated amount of oxalic acid in solid form in it. How will I do the calculations and how will I approach this lab. I'm so lost. Any help would great, thanks in advance!