# chemistry

posted by
**Anonymous**
.

A student found that her mixture was 15% NH4Cl, 20% NaCl, and 75% SiO2. Assuming her calculations are correct, what is the most likely source or error in her experiment?

posted by
**Anonymous**
.

A student found that her mixture was 15% NH4Cl, 20% NaCl, and 75% SiO2. Assuming her calculations are correct, what is the most likely source or error in her experiment?