We know because of DNA testing in general.
Majority of an atoms mass comes for protons and neutrons which makes up the nucleus.
Can you show me the atoms please? I would be able to help.
Answer: when concentrations of acid and base are same, pH = pKa
PH = 12.38 pOH = 1.62
Explanation: pKa= -log(Ka)= 12.38. PH + pOH = 14.00
Answer:
<em>CaCO3</em>
Explanation:
E.F. is looking for the lowest possible ratio