Login or Sign Up

Ask a New Question

Calculating moles and masses

Questions (2)

In an experiment to find the percentage of calcium carbonate in sand from a beach, 1.86 g of sand reacted with an excess of
1. 4 answers
2. asked by Tony
3. 2,165 views
formula: 2KClO3 + NaCL = 2KCl + NaCl + 3O2MASS OF TEST TUBE & MIXTURE = 34.03 G MASS OF EMPTY TEST TUBE = 31.29 G MASS OF
1. 2 answers
2. asked by presh
3. 597 views