HS PS

• 1 mol KOH : 1 mol K3PO4

• 1 mol K3PO4 : 3 mol KOH

• 3 mol KOH : 1 mol K3PO4

• 1 mol Na3PO4 : 1 mol K3PO4

Tags

NGSS.HS-PS1-7

• 6 moles O2

• 5 moles O2

• 10 moles O2

• 8 moles O2

6. What is the mass of one mole of Rhodium?

• 45 g/mol

• 103 g/mol

• 86 g/mol

• 6.02 x 10^23 g/mol

7. What is the molar mass of Mn2Se7?

9. How many moles of epsom salt (MgSO4) are in 720 grams?

10. How many moles are in 89 grams of copper (II) hydroxide, Cu(OH)2?

• 85 grams

• Not enough information

• 209 grams

• 124 grams

Tags

NGSS.HS-PS1-7

Tags

NGSS.HS-PS1-7

16. How many particles are in 47g of pure iodine, I2?

• 6.02 x 10^23

• 1.11 x 10^23

• 1.11 x 10^24

• 94