Chemistry, 17.02.2021 03:50, hannahmckain

Complete the following problems showing all work Report answers to correct sig figs and units. (Hint: you may have to write the formulas first)
1. How many moles are in 212.5 grams of K20?
2. How many atoms are in 0.618 moles of cobalt?
3. How many atoms are in 35.1 grams of iron (II) sulfide?
4. Your friend was asked to determine the mass (in grams) of 4.28 moles of LiBr. Below is their work and answer. Explain why their set up and answer are incorrect.

Complete the following problems showing all work!!! Report answers to correct sig complete the foll

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Complete the following problems showing all work Report answers to correct sig figs and units. (Hint...