What is the number of Proton and Neutron respectively in ?
Atomic Number= number of Proton
= 35
Mass Number = Number of protons + number of neutron
=80
Number of neutron =45
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50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be : Option: 1 3.75 Option: 2 4.75
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