MP3 Chem Exam Review

What is the value of Avogadro's constant?

Tags

NGSS.HS-PS1-7

Tags

NGSS.HS-PS1-7

• Sodium chloride

• Sodium chlorate

• Sodium(I) chloride

• Sodium chlorite

• Carbon dioxide

• Carbon monoxide

• Carbon(II) oxide

• Carbonic acid

How many molecules are in 2 moles of a substance, according to Avogadro's constant?

Tags

NGSS.HS-PS1-7

• Magnesium chloride

• Magnesium(I) chloride

• Magnesium chlorate

• Magnesium dichloride

• Sulfur hexafluoride

• Sulfur fluoride

• Sulfur(VI) fluoride

• Hexafluorosulfuric acid

What is the purpose of balancing chemical equations?

• To ensure that the same number of each type of atom appears on both sides of the equation

• To make the equation look more complex

• To change the properties of the products

• To increase the reaction rate

Tags

NGSS.HS-PS1-7

What is the correct formula for the ionic compound formed between sodium (Na) and sulfur (S)?