Answer:
Less than 7 ph value are acidic. Greater than 7 ph value are basic.
Answer:
No. of atom =
no.of moles x avagardro's number xatomicity
= weight /molar mass x No x atomicity
=8.2/142 x6.02x10^23 x 4
=0.346 x 10^23(approximately)
35g Mg x 1mol / 24g = 840 mol
