Answer : 135 grams of sodium has 5.869 moles.
Solution : Given,
Mass of sodium = 135 grams
Molar mass of sodium = 23 g/mole
Formula used :

Now put all the given values in this formula, we get

Therefore, the moles of sodium present in 135 grams of sodium is, 5.869 moles.
3 elements are present in HCOOH - hydrogen, oxygen, and carbon.
Chemicals cancel each other out and produce a salt and water. A neutralization reaction my also occur
Answer:Switch off lighting in refrigeration areas when not in use?
Explanation:
C... The number of neutrons ranges from 1H with 0 neutron, 2H with 1 neutron and 3H with 2 neutrons.