Chemistry, 12.02.2021 06:30, elijah1090

HW: Percent Composition You MUST show your work to receive credit!!! (try to explain step-by-step plz)
1. How many particles are present in a 56.9 mole sample of calcium hydroxide?

2. How many particles are present in a 121.75 gram sample of NaCl?

3. What is the percent composition of nitrogen in copper (I) nitrate, CuNO 3 ?

4. What is the mass percentage of magnesium in magnesium chloride?

5. How many particles are present in a 84 gm of sample of Barium hydroxide?

6. How many particles are present in a 125 gram sample of sulfur dioxide?

7. What is the percent composition of Magnesium in Magnesium Phosphate?

8. What would be the volume of 250 gm of Nitrogen gas?

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