Explanation:
if the first one was just O, then:
i) no of moles = mass/ molar mass
2= m/ 16
m = 16*2
m = 32g
ii) the second answer would be the same.
Yeas, the reaction is balanced
Answer: 6.022 x10^23 atoms
Explanation:
Answer:
is used in scientific measurements.
Explanation:
A complete metric system of units of measurements for scientists; fundamental quantities are length (meter) and mass (kilogram) and time (second) and electric....
Answer:
second option
Explanation:
because aluminum has pieces of metalloid in it