An Unknown Hydrate of Cobalt(II)cyanide,Co(CN)2 • XH₂O,is Heated to Give

question 169

Multiple Choice

An unknown hydrate of cobalt(II) cyanide,Co(CN) 2 • XH₂O,is heated to give 32.7% water.What is the water of crystallization (X) for the hydrate?

• A)2
• B)3
• C)4
• D)6
• E)10

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Telegraphic Speech

Speech in which words not critical to the message are left out.

Non-Critical Words

Words in a language that do not carry the core meaning of a sentence but are necessary for grammatical completeness.

Overextension

In language acquisition, overextension is children's use of words in a broader context than adults would, applying specific words to a wider variety of objects or situations.

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