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arsen [322]
3 years ago
7

How to find the number of proton and neutron

Chemistry
1 answer:
VladimirAG [237]3 years ago
7 0

go to periodic table


look for the element you want


find the atomic number on the top right hand side of the element

atomic number = equal to number of proton.


find atomic mass bottom right hand side of the element


atomic mass - atomic number = neutron


i hope this will help

Na atomic number 11 and mass number 23

protons 11

neutron =23-11=12

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Explanation:

Step 1: Data given

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Molar mass of H3PO4 = 97.99 g/mol

Step 2: The balanced equation

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Mass KOH = mass KOH / molar mass KOH

Mass KOH = 29.6 grams / 56.11 g/mol

Mass KOH = 0.528 moles

Step 4: Calculate moles of K3PO4

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Step 5: Calculate mass of K3PO4

Mass K3PO4 = moles K3PO4 * molar mass K3PO4

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