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Calculate the percent composition by mass of carbon in Na2CO3.
Teen Pregnancy
A situation where a female becomes pregnant during her teenage years, frequently associated with socio-economic and educational challenges.
PhDs
Doctoral degrees awarded by universities to individuals who have completed original research in a specific field of study, demonstrating expertise.
Ethnic Minorities
Groups of people who differ in race, national origin, or culture from the majority population in a society.
Neocolonialism
The practice of using economic, political, cultural, or other pressures to control or influence a country, especially former dependencies.
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