Portland cement contains some SiO2. Calculate the mass percent composition of silicon in this compound.
2 answers
(atomic mass Si/molar mass SiO2)* 100 = ?% Si.
I did the fitrst part and got 46.7 but theresa second part of the question
Small amounts of CoO are added to glass to give it a blue color. Calculate the mass percent composition of cobalt in this compound
Small amounts of CoO are added to glass to give it a blue color. Calculate the mass percent composition of cobalt in this compound
1 answer