Mole-Mole & Mole-Gram Stoichiometry

Using the following equation:

_Fe₂O_3(s) + 3H_2(g) → 2Fe_(s) + 3H₂O_(l)

How many moles of iron can be made from 6 moles H₂?

• 4 moles Fe

• 6 moles Fe

• 9 moles Fe

• 2 moles Fe

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NGSS.HS-PS1-7

2 NaClO₃ (s) → 2NaCl (s) +3 O₂ (g)

12.00 moles of NaClO₃ will produce how many grams of O₂?

• 64 g of O₂

• 576 g of O₂

• 288 g O₂

• 0.563 g O₂

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NGSS.HS-PS1-7

2H₂  +   O₂  →  2H₂O
How many moles of oxygen are consumed if 8 moles H₂ are used?

• 2

• 4

• 6

• 8

Tags

NGSS.HS-PS1-7

2 KClO₃ → 2 KCl + 3 O₂
How many moles of oxygen are produced when 6.7 moles of KClO₃ decompose completely?

• 6.7 mol
• 1.0 mol
• 10.1 mol
• 4.5 mol

Tags

NGSS.HS-PS1-7

Using the following equation:
Fe₂O₃(s) + 3H₂(g) → 2Fe(s) + 3H₂O(l)
How many moles of iron can be made from  6 moles H₂? 

• 4 moles Fe

• 6 moles Fe

• 9 moles Fe

• 2 moles Fe

Tags

NGSS.HS-PS1-7

Using the following equation:
Fe₂O₃(s) + 3H₂(g) → 2Fe(s) + 3H₂O(l)
How many moles of iron can be made from  6 moles H₂? 

• 4 moles Fe

• 6 moles Fe

• 9 moles Fe

• 2 moles Fe

Tags

NGSS.HS-PS1-7

2 NaClO₃ (s) --> 2NaCl (s) +3 O₂ (g)  
12.00 moles of NaClO₃ will produce how many grams of O₂?

• 256 g of O₂

• 576 g of O₂

• 288 g O₂

Mg(s) + 2 HCl(aq)  -->  MgCl₂(aq)   + H₂(g)
How many moles of HCl are consumed in the production of 7.5 moles of MgCl₂?

• 3.8 moles

• 15 moles

• 7.5 moles

• 23 moles

Tags

NGSS.HS-PS1-7

 CaC₂(s) + 2H₂O(l)   -->   C₂H₂(g)   + Ca(OH)₂(aq)
how many grams of Ca(OH)₂ would be formed with 3.20 moles of CaC₂?

• 119 g

• 21.2 g

• 114 g

• 237 g

Tags

NGSS.HS-PS1-7

Use the following equation:
NaIO₃(aq) + 6HI(aq) --> 3I₂(s) + NaI(aq) + 3H₂O(l)
How many moles of iodine can be made from 6.55 moles of NaIO₃?

• 4.55 moles I₂
• 23.18 moles I₂
• 19.65 moles I₂
• 34.99 moles I₂

Tags

NGSS.HS-PS1-7