Molar mass and Mole Conversions Quiz-30 min

How many moles of Mg are in 19.82 g Mg?

• 1.226mol Mg

• 481.7mol Mg

• 1.000mol Mg

• 0.8156 mol Mg

Tags

NGSS.HS-PS1-7

What are the units for molar mass?

• grams
• amu
• grams/mole
• liters

Avogadro's number of representative particles or "n" is equal to one_____.

• kilogram

• gram

• kelvin

• mole

Which of the following set ups using BRIDGES (dimensional analysis) will correctly convert 4.00x10²³atoms of cobalt to moles of cobalt? What is the actual answer for moles of Co?

• setup B : 0.6644mol Co

• setup A: 2.41x10⁴⁷mol Co

• setup A : 0.664mol Co

• setup B: 2.41x10⁴⁷mol Co

Tags

NGSS.HS-PS1-7

How many water molecules are in 5.2 moles of water?

• 6.02 x 10²³
• 5.2
• 3.1 x 10²⁴
• 8.638 x 10^-24

Tags

NGSS.HS-PS1-7

How many grams of C are in 1.2 x 10²⁴ atoms of C?

• 28 grams

• 24 grams

• 6.02 grams

• 1.2 grams

Tags

NGSS.HS-PS1-7

What is the molar mass of Gold (III) chloride?

• 196.967 g
• 626.354 g
• 232.42 g
• 303.326 g

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

• A

• B

• C

• D

Tags

NGSS.HS-PS1-7

How many grams of potassium sulfide are in 3.33 mol of Potassium Sulfide?

• 367 g

• 454 g

• 238 g

• 132 g

Tags

NGSS.HS-PS1-7

How many grams of carbon monoxide are in 1.2 x 10²⁴ molecules of CO?

• 28 grams

• 56 grams

• 6.02 grams

• 1.2 grams

Tags

NGSS.HS-PS1-7