The answer is same atomic number!
Answer:
Explanation:
How many moles?
moles=Mass/Molar Mass
Here we have the mass and we can get the molar mass from the periodic table (Na=23, C=12, O=16) So
Molar mass= 23+12+(16x3)=83
Then Moles=0.025/83=<u>1/3320</u>
<u>Hope it helps </u>
<u>you will be stuck but you should practice more even you will be interested in solving.</u>
<u>Dont be worry ;)</u>