5. Thêm 25ml dung dịch AgNO3 0,1N vào 20ml dung dịch NaCl chuẩn độ AgNO3 0,1N dư hết 11ml dung dịch KSCN 0,09N. Tính nồng độ P(g/l) của dung dịch NaCl?

idk

explanation:

dasdad

hloride, what is the mass of calcium in

explanation:

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

if you need further assistance, let me know: )

~ trueboss72

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.