Answer:
.24 mg
Explanation:
The mineral contains .016 % silicon
mass of the mineral = 1.5 kg
mass of silicon = 1.5 x .016 %
= 1.5 x .016 / 100
= 24 x 10⁻⁵ kg
= 24 x 10⁻² mg
= .24 mg .
C. disposal of waste products continues to be a problem
I would say a strong base. NaOH is like chlorox
The organic compound often used in perfumes are ESTERS which are sweet smelling substances, they give the sweet smell to fruits also.