Chem - Mod 10 Stoich Review

What is the amount produced in a perfect reaction called?

• Theoretical yield
• Actual yield
• Percent Yield
• Stoichiometry

What is not one of the two things percent yield is comparing?

• Percent Yield
• Actual Yield
• Theoretical Yield

What is the ratio called made by using the coefficients in the balanced equation?

• Mole Ratio
• Stoichiometry
• Balanced
• Molar Mass

Tags

NGSS.HS-PS1-7

What is the amount produced from experimentation called?

• Actual Yield
• Theoretical Yield
• Percent Yield

What is the study of mass relationships between substances in balanced chemical equations?

• Stoichiometry
• Percent Yield
• Theoretical Yield
• Actual Yield

Tags

NGSS.HS-PS1-7

What's the percent yield of a reaction where through experimentation 34.2g of Rb are produced?  Theoretical yield is 39.7 g

• 86.14609572%
• 86.1%
• 116%
• 116.08187135%

Tags

NGSS.HS-PS1-7

Using the pictured equation, how many moles of ZnCl2 are in 13 moles of HCl?

• 6.5
• 26

Using the pictured equation, how many moles of hydrogen can you make with 7.9 g Zn?

• .12 g
• .121 g
• 520 g
• 517 g

Tags

NGSS.HS-PS1-7

Using the pictured equation, how many grams of zinc chloride are produced from 7.89 moles of zinc?

• 1075 g ZnCl2
• 1080 g ZnCl2
• .05789 g ZnCl2
• .0579 g ZnCl2

Tags

NGSS.HS-PS1-7

4.3 grams of sodium reacts with 2.6 grams of oxygen to produce 5.9 grams of sodium oxide.  What's the limiting reactant?

• Na
• NaO
• O2

Tags

NGSS.HS-PS1-7