Naming Ionic Hydrates quiz #1 Flashcards
Naming Ionic Hydrates quiz #1
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What is the correct chemical formula for barium hydroxide octahydrate? The correct chemical formula for barium hydroxide octahydrate is Ba(OH)2·8H2O. What is the formula of cobalt(II) chloride hexahydrate? The formula for cobalt(II) chloride hexahydrate is CoCl2·6H2O. What is the general formula for a hydrate? The general formula for a hydrate is MX·nH2O, where MX is the ionic compound and n is the number of water molecules. Which hydrate name and chemical formula are paired correctly? An example of a correctly paired hydrate name and chemical formula is copper(II) sulfate pentahydrate: CuSO4·5H2O. What does the dot in the formula of an ionic hydrate represent? The dot indicates the linking or bonding of water molecules to the ionic compound in the hydrate. Which step in naming ionic hydrates is different from naming regular ionic compounds? Step 4 is different; it involves adding 'hydrate' with a numerical prefix to indicate the number of water molecules. What numerical prefix is used for seven water molecules in a hydrate? The prefix 'hepta-' is used for seven water molecules in a hydrate. How do you indicate the number of water molecules in the name of an ionic hydrate? You use a numerical prefix before the word 'hydrate' to specify the number of water molecules present. What is the meaning of the prefix 'nona-' in hydrate naming? 'Nona-' means that there are nine water molecules attached to the ionic compound. Why is it important to use the correct naming convention for ionic hydrates? Using the correct naming convention ensures accurate communication of the compound's composition and distinguishes between different hydrates.
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