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Yes, at times, the molecular formula for Glauber's salt is given Na2SO4.10H2O.

However, more interestingly, the formula per Wikipedia when discussing hydrates and the associated water of crystallization, the formula is more informatively presented as Na2SO4(H2O)10. The important distinction is that apparently for some hydrates that the water is actually bonded to the metal.

Assuming that this is the case for Glauber's salt, this means on cooling a solution of say Na2SO4 and NaCl, the resulting hydrate salt, Na2SO4(H2O)10, may actually be free of any NaCl contamination (at least after rinsing the exterior of the hydrate). Or, one can claim to having concentrated the residual NaCl solution without heating.

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11y ago
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7mo ago

The chemical name for Glauber's salt is sodium sulfate decahydrate, with the chemical formula Na2SO4.10H2O.

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16y ago

Sodium Sulfate Decahydrate Sodium Sulfate Decahydrate

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13y ago

Na2SO4·10H2O

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Q: What is the chemical name for Glauber's salt?
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