Answer Each Question. SHOW WORK (Step by Step)

1.How many moles of Zn are in 285 g of Zn?

2.If you had 5.69 x 10²⁵ atoms of Mg, how many moles would you have?

3.If you had 21.5 moles of silicon, how many atoms would you expect to have?

4.If you had 3.6 moles of Ca(OH)₂, how many grams would you expect to have?

5.How many moles are in 36.48 g of K₂CO₃?

6.How many atoms are in 45.8 grams of Al?

7.How many moles are in 4.75 x 10²⁴ molecules of HCl?

8.How many grams are in 2.23 x 10²⁴ molecules of NiCl₂?

9.How many grams are in 4.29 x 10²³ atoms of platinum?

10.If you had 4.39 moles of LiOH, how many grams would you have?

.11.How many moles are in 89.6 L of CO_{2 gas} at STP?

12.What is the volume (liters) of 23.5 g of I₂ at STP?

Answer Each Question. SHOW WORK (Step by Step)