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