Answer to Question #252358 in General Chemistry for Sorcha

General Chemistry

Question #252358

The mass of 7.02 x 10E-23 molecules of a diatomic molecule X2 is 296.0g. Calculate (to two decimal places) the Atomic Weight (amu) of the element X.

Expert's answer

7.02×10²³/6.023×10²³

1.166

296/1.166= 253.86g

Learn more about our help with Assignments: Chemistry

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. Aspirin has molecular formula C9H8O4. How many atoms of oxygen are there in a tablet weighing 360 mg
2. A standardized aptitude test has a population mean of 110 and a standard deviation of 12. What is th
3. B. After the expirement is performed, an expiremental yield of 183.2 grams is produced. Calculate th
4. Kl+H2O+KMnO4=I2+MnO2+KOHDetermine the percent error
5. an oxide of chromium is made up of 5.20 g chromium and 5.60 g oxygen what is the empirical formula o
6. 10.00 g BaCl 2 is dissolved in 90.00 g of water.The density of the solution is 1.09 g/mL.Calculate
7. 2g of ammonium chloride is dissolved in 20cm3 of tap water whose initial temperature is 23°C. What