Which is a true statement about analytical equipment? a. A volumetric flask is c

Question

Which is a true statement about analytical equipment? a. A volumetric flask is calibrated to contain b. A Teflon stopcock should be greased regularly c. A 50 ml_ glass buret should be read to the nearest tenth of a milliliter d. A Mohr pipet should be used when the best possible accuracy is needed Which choice is not a requirement of a primary standard solid? a. Its reactions must be known and stoichiometric. b. It can be dried to remove surface moisture c. Its purity must be accurately known d. It must have a low formula weight

Explanation / Answer

a) a volumetric flask is calibrated to contain

b) it must have a low formula weight

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