What is the temperature of the Sun's middle most layer the chromosphere ? It’s temperature is 5,500 degrees celsius to 6,000 degrees celsius.
It’s temperature is 6,000 degrees celsius to 20,000 degrees celsius.
It’s temperature is 20,000 degrees celsius to 2,000,000 degrees celsius.
It’s temperature is 2,000,000 degrees celsius to 3,000,000 degrees celsius.

It's temperature is 6,000 degrees celsius to 20,000 degrees celsius.

Explanation:

Answer : The number of moles of NaOH contains, 4.000 moles

Solution : Given,

Mass of = 160.0 g

Molar mass of = 40.00 g/mole

Now we have to calculate the moles of .

Now put all the given values in this formula, we get the moles of NaOH.

Therefore, the number of moles of NaOH contains, 4.000 moles