Moles and Stoichiometry

• 2 moles

• 4 moles

• 6 moles

• 8 moles

Tags

NGSS.HS-PS1-7

Tags

NGSS.HS-PS1-7

• 1.5 moles

• 3 moles

• 4.5 moles

• 6 moles

Tags

NGSS.HS-PS1-7

Which of the following dimensional analysis setups will correctly convert 4.00x10²³atoms of cobalt to moles of cobalt? How many moles of colbalt are there?

• setup B : 0.664 mol Co

• setup A: 2.41x10⁴⁷mol Co

• setup A : 0.664 mol Co

• setup B: 2.41x10⁴⁷mol Co

Which of the following dimensional analysis setups will correctly convert 27.76 g of Li to atoms of Li?

• A

• B

• C

• D

Calculate the number of moles in 3.13 x 10²⁰ atoms Zn.

• 1.88 x 10⁴⁴ mol Zn

• 5.2 x 10^-4 mol Zn

• 2.53 x 10⁵ mol Zn

• 2.05 x 10^-4 mol Zn

Tags

NGSS.HS-PS1-7

How many grams are in 3.30 mol of potassium sulfide?

• 363 g

• 454 g

• 238 g

• 132 g

Tags

NGSS.HS-PS1-7

• 1 mole

• 2 moles

• 0.5 moles

• 4 moles

Tags

DOK Level 2: Skill/Concept

Calculate the number of atoms in 0.0340 g Zn.

• 5.20 x 10^-4 atoms Zn

• 3.13 x 10²³ atoms Zn

• 3.13 x 10²⁰ atoms Zn

• 2.05 x 10²² atoms Zn

• 22 g

• 44 g

• 66 g

• 88 g

Tags

SCH3U.D.2.5