Answer:
126.5g
Explanation:
n=<u>m</u><u> </u>
M
where n is moles
m is mass of substance
M is molar mass
molar mass of sodium is 23g/mol
m=nM
m=5.5(23)
m=126.5
Answer:When a substance undergoes a chemical change some of the chemical changes can be reversed with a chemical change.
Explanation:
A chemical change changes all of the element but some chemical changes but very few can be changed back to its original substance only with a chemical change.
Ultraviolet rays has the most energy
Answer:
having a smooth or lubricated surface may help decrease friction.
Explanation:
The answer is 18.23432 grams.
Molar mass of KOH= 56.1056
= 18.234 grams
