Chemistry, 07.12.2021 08:50, AtlFan6392
Hello, I need help studying for a chemistry test out could someone please help get the baseline down for some of these prompts so I have a template to expand off of.
1.Using experimental data, determine the relative mass of two objects
2.Use experimental data to determine the number of particles in a sample without counting them individually
3. Given a chemical formula, determine its molar mass be able to calculate mass, mole, or number of particles from any one of mass, mole, or number of particles.
4. Given a chemical formula, be able to calculate the percent composition for that substance.
5. Given percent composition data, be able to calculate the empirical formula for a substance.
6. Given percent composition data and molar mass, be able to determine the molecular formula for a substance.
Answers: 2
Chemistry, 22.06.2019 18:30, kate3887
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
Hello, I need help studying for a chemistry test out could someone please help get the baseline down...
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