Answer:
388.62
Explanation:
well you convert yards into feet and feet into inches and inches into centimeters
48.78%
Percentage of MgSO4 = mass of MgSO4/ mass of sample (MgSO4. 7H20) and multiply it by 100.
The answer is C2O.............
Some elements can have to electrons and be stable in their shell they are stable in a duplet state instead of a octet state