2019 mole conversion

How many atoms of carbon are in 6.00g of carbon?

• 1.20x10²⁴atoms C
• 6.02x10²³atoms C
• 3.01x10²³atoms C
• 1.50x10²³atoms C

Tags

NGSS.HS-PS1-7

How many moles are in 3.01 x 10²² atoms of magnesium?

• 0.05 moles
• 1.81 x 10⁴⁶ moles
• 5.00 x 10²¹ moles
• 5 moles

If an atom of Fluorine has an atomic mass of 19 amu, it has a Molar mass of ____

• 19 lbs.
• 19 kg
• How am I supposed to know?
• 19 g/mol

What is the mass of 0.89 mol of CaCl₂?

• 111 grams
• 0.008 grams
• 98.9 grams
• none of the choices

Tags

NGSS.HS-PS1-7

36.0 g of Be contains how many moles?

• 0.25 mol
• 4.0 mol
• 45 mol
• 320 mol

A mass of 6 g of Carbon contains

• 1 mole of C
• 2 moles of C
• 0.5 moles of C
• 72 moles of C

Tags

NGSS.HS-PS1-7

How many moles are in 22 g of argon? 

• 880 moles
• 0.55 moles
• 1.81 moles
• 5 moles

Tags

NGSS.HS-PS1-7

How many moles are in 15 grams of lithium?

• 0.5 moles
• 104.1 moles
• 2.2 moles
• 50 moles

How many grams are in 11.9 moles of chromium?

• 50 g
• 619 g
• 0.23 g
• 4.4 g

How many moles are in 3.01 x 10²² atoms of magnesium?

• 0.05 moles
• 1.81 x 10⁴⁶ moles
• 5.00 x 10²¹ moles
• 5 moles