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Answer:
E) less than 7
Explanation:
pH is defined as the negative logarithm of the concentration of hydrogen ions.
Thus,
pH = - log [H⁺]
pH scale generally runs from 1 to 14 where pH = 7 represents neutral medium, pH < 7 represents acidic medium and pH > 7 represents basic medium.
Strong acids dissociate completely and when they react with base they form a salt of weak base and strong acid.
For example, 
is a weak base and 
is the hydrochloric acid.
So,
<u>Thus, the salt is of weak base and strong acid which corresponds to pH less than 7.</u>
Answer:
b
Explanation:
stable climate will mean there is one climate and we will have the same animals and plants everywere
The number next to isotopes signifies the sum of the number of protons plus the number of neutrons in the nucleus of an atom.<span> An isotope is a version of an atom that has the same number of protons but different numbers of neutrons. Isotopes are very important in nuclear chemistry. A proton is a is a particle in the nucleus of an atom that has a positive charge. A neutron is also a particle in the nucleus of an atom, but it does not have an electric charge.</span><span>
</span>
Answer:
1.80 x 10^24 atoms
Explanation:
3moles × 6.022×10^23 atoms/mole
