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  1. chem.libretexts.org › Courses › University_of_Arkansas_Little_Rock2.12: Hydrates - Chemistry LibreTexts

    The mass of water evaporated is obtained by subtracting the mass of the anhydrous solid from the mass of the original hydrate (\ref{3}): \[m_{\ce{H2O}} = m_{\text{Hydrate}} - m_{\text{Anhydrous Solid}} \label{3}\]

  2. 17 Ιουν 2023 · A hydrate contains a definite number of water molecules bound to each ionic compound (also called the anhydrous salt). The formula of the hydrate is represented by the formula of the anhydrous salt followed by a dot and xH2O, where x is the number of moles of water per mole of the anhydrous salt.

  3. 2 Νοε 2023 · Salts that contain water within their structure are called hydrated salts. Anhydrous salts are those that contain no water in their structure. A common example is copper (II) sulfate which crystallises forming the salt hydrated copper (II) sulfate, which is blue.

  4. 12 Οκτ 2015 · Some sites suggest that water molecules bong to anhydrous salt via a "loose bond". What does that even mean? $\ce{H2O}$ is a polar molecule and salts are made up of ionic bonds. Is it a hydrogen bond between the anions and hydrogen atoms?

  5. 6 Μαΐ 2014 · Convert the mass of the anhydrous salt (#m_2#) by dividing it by the molar mass of the anhydrous salt. The moles of salt should be the smaller of the two values. Divide the moles of water by the moles of salt to find the ratio.

  6. 15 Ιαν 2023 · An anhydrous salt does not contain water in its formula. Table salt (NaCl) and copper sulfate (CuSO4) are examples. In contrast, a hydrated salt contains water within its crystalline structure.

  7. 7 Ιουν 2024 · The water of crystallisation is separated from the main formula by a dot when writing the chemical formula of hydrated compounds. E.g. hydrated copper (II) sulfate is CuSO 4∙ 5H 2 O. A compound which doesn’t contain water of crystallisation is called an anhydrous compound. E.g. anhydrous copper (II) sulfate is CuSO 4.

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