How many moles of potassium iodide (KI) are in 48.9 g of potassium iodide (KI) ? ____ moles

1 answer:

wel1 year ago

5 0

Answer:

mass of kI = 74.55 Atomic mass

74.55 g ---> 1 mole

48.9 g --> ?

48.9 / 72

0.7 mole.

In one mole of kI --->

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