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 Blanks

What is the chemical formula for sodium hydrogen carbonate?

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

Hint: remember to include the units for molar mass.

Fill in the Blanks

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

hint: remember to include units in your answer

Fill in the Blanks

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 Blanks

What is the chemical formula for copper II carbonate

Fill in the Blanks

What is the molar mass of Copper II carbonate?

Hint: do not forget to include units for molar mass

Fill in the Blanks

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

Fill in the Blanks

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

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

Fill in the Blanks

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