Mole Problem

How many moles of copper are present in a sample that contains 4.57 x 10¹³ atoms of copper?

• 7.59 x 10^-11 moles

• 2.75 x 10³⁷ moles

• 7.59 x 10¹¹ moles

• 2.75 x 10³³ moles

How many moles are in 848 liters of titanium?

• 37.9 moles

• 43.8 moles

• 57.9 moles

• 63.8 moles

Find the mass of 3.6 mol of Au.

• 843.6 g

• 709.2 g

• 435.9 g

• 196.9 g

Tags

NGSS.HS-PS1-7

How many moles are in 16.94 g of water?

• 16.94 mol H₂O

• 0.9401 mol H₂O

• 305.3 mol H₂O

• 1.063 mol H₂O

Tags

NGSS.HS-PS1-7

How many moles of magnesium are in 3.01x10²² atoms of magnesium?

• 5.00x10⁴⁴ moles Mg

• 0.0500 moles Mg

• 1.81x10⁴⁶ moles Mg

• 5.00 moles Mg

How many grams of carbon are in 0.63 moles of carbon?

• 3.79x10²³ g C

• .0524 g C

• 7.57 g C

• .800 g C

How many grams are in 1.2 moles of neon?

• 0.059 grams

• 7.2 x 10²³ grams

• 2.0 x 10^-24 grams

• 24 grams

You have 8.65 x 10²⁵ atoms of arsenic. How many grams do you have?

• 144 g As

• 10,765 g As

• 107 g As

• None of these

What is the mass of one mole of silver?

• 32.06 g

• 107.87 g

• 14.01 g

• 22.99 g

What is the mass of 4.98 x 10²⁴ atoms of Zn?

• 541 g

• 8.27 g

• .122 g

• 4.59 x 10⁴⁶ g