Untitled Lesson

TARGET MOLE LAB ACTIVITY

Target: Using Molar mass to do chemistry.

​Task: Calculate molar mass of various chemicals and then mass out the proper grams for each problem.

Multiple Choice

Shares electrons

• covalent bonds

• ionic bonds

• hydrogen bonds

Multiple Choice

Transfers electrons

• covalent bonds

• ionic bonds

• hydrogen bonds

Multiple Choice

NaCl

• covalent bonding

• ionic bonding

• hydrogen bonding

Multiple Choice

Identify the type of bonding between the oxygen and hydrogens in one water molecule.

• covalent bonding

• hydrogen bonding

• ionic bonding

Multiple Choice

What type of chemical bond is found in MgS?

• Covalent

• Ionic

• Metallic

• Both covalent and ionic

Multiple Choice

What type of chemical bond is found in NO₂?

• Covalent

• Ionic

• Metallic

• Both Covalent and Ionic

Multiple Choice

What type of chemical bond is found in Al₂O₃?

• Covalent

• Ionic

• Metallic

• Both Covalent and Ionic

Multiple Choice

What type of chemical bond is found in CCl₄?

• Covalent

• Ionic

• Metallic

• Both Covalent and Metallic

Multiple Choice

What type of chemical bond is found in Water?

• Covalent

• Ionic

• Metallic

• Both Covalent and Metallic

Multiple Choice

What elements generally make an ionic bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

Multiple Choice

When forming an ionic bond, a metal atom

• Gains electrons to form a cation
• Loses electrons to form a cation
• Gains electrons to form an anion
• Loses electrons to form an anion

Multiple Choice

What elements generally make a covalent bond?

• metal and nonmetal
• 2 or more nonmetals
• metal
• none of the above

Multiple Choice

In chemical compounds, covalent bonds form when

• the electronegativity difference between two atoms is very large.
• electrons are completely transferred between two metals.
• pairs of electrons are shared between two nonmetal atoms.
• two nonmetal atoms are attracted to each other by opposite charges.

Multiple Choice

An ionic bond forms when 

• Valence electrons are shared
• a sea of mobile electrons surround the cations
• valence electrons are transferred between atoms
• none of the above

Fill in the Blank

What is the chemical formula for sodium hydrogen carbonate?

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Fill in the Blank

What is the molar mass for one mole of sodium hydrogen carbonate?

Hint: remember to include the units for molar mass.

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Fill in the Blank

What would the mass be for 1/2 a mole of sodium hydrogen carbonate?

hint: remember to include units in your answer

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Fill in the Blank

using the available sodium hydrogen carbonate on the reagent table, mass out exactly 1/2 mole this chemical using a mass scale and plastic weighing boat. When you are finished bring it to Mrs. Bowman for approval. She will give you a code to enter here for credit on this task

Fill in the Blank

What is the chemical formula for copper II carbonate

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)

Fill in the Blank

What is the molar mass of Copper II carbonate?

Hint: do not forget to include units for molar mass

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Fill in the Blank

What is the mass of 1/2 a mole of copper II carbonate?

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Fill in the Blank

What is the mass of 0.25 moles of copper II carbonate?

Hint: multiply the molar mass by 0.25 to get your answer.

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Fill in the Blank

using the available copper II carbonate on the reagent table, mass out exactly 0.25 mole this chemical using a mass scale and plastic weighing boat. When you are finished bring it to Mrs. Bowman for approval. She will give you a code to enter here for credit on this task

Multiple Choice

Calculate the molar mass of Ba(C₂H₃O₂)₂

• 255 g/mol

• 392 g/mol

• 228 g/mol

• 196g/mol

Multiple Choice

What is the molar mass of Hydrogen Peroxide (H₂O₂)?

• 48 g/mole
• 34 g/mole

• 36 g/mole

• 35 g/mole

Multiple Choice

What is the molar mass of PbSO₄?

• 303 g/mol

• 255 g/mol

• 163 g/mol

• 372 g/mol

Multiple Choice

Change 7.00 moles of Na₂SO₄ into grams.

• 20 grams

• 994 grams
• 770 grams
• 0.0493 grams

Multiple Choice

How many grams is 1.2 moles of Neon?

• 0.05 grams
• 16.6 grams
• 21.2 grams
• 24 grams

Multiple Choice

How do you solve the following problem:

How many grams are there in 7.5 moles of H2(SO4) ?

• Convert liters to moles then moles to grams

• Convert particles to moles then moles to grams

• Convert moles to grams

• Convert grams to moles

Multiple Choice

In what field of science do we most often use the mole?

• zoology
• botany
• chemistry
• biology