Chemistry, 07.10.2019 09:10 Kiki18love
A43.6 g of iron ore is treated as follows. the iron in the sample is all converted by a series of chemical reactions to fe2o3. the mass of fe2o3 is measured to be 11.5 grams. what was the percent iron in the sample of ore? answer in units of %.
Answers: 3
Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
Answers: 1
Chemistry, 23.06.2019 00:30
There are approximately 15 milliliters (ml) in 1 tablespoon (tbsp). what expression can be used to find the approximate number of milliliters in 3 tbsp?
Answers: 1
Chemistry, 23.06.2019 10:00
State the effect on the concentration of the clo- ion when there is a decrease in the concentration of the oh- ion
Answers: 1
A43.6 g of iron ore is treated as follows. the iron in the sample is all converted by a series of ch...
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