CLASS COPY: ANSWER ALL QUESTIONS ON A SEPARATE SHEET OF PAPER AND TURN IT IN AT THE END OF THE PERIOD.
DO NOT WORRY ABOUT THE HOMEWORK I GAVE YOU. IT IS NO LONGER DUE ON TUESDAY. WORK HARD TO GET THIS DONE!!
Turn the following moles into grams, using the molar mass.
1.
2.
3.
4.
5.
6 moles of sodium chloride
2.3 moles of potassium sulfate
.67 moles of magnesium arsenide
8.4 moles of zinc bromide
4.2 moles of lead (III) oxide
Turn the following grams into moles, using the molar mass.
1.
2.
3.
4.
5.
4.2 grams of cesium phosphide
.27 grams of lead (II) chloride
7.3 grams of tin (IV) fluoride
3.5 grams of cadmium oxide
12.4 grams of oxygen difluoride
Turn the following atoms into moles:
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2.
3.
4.
5.
3.14 X 1025 atoms
4.44 X 1023atoms
5.2 X 1028 atoms
7.77 X 1022 atoms
1.11 X 1023 atoms
Turn the following moles into atoms:
1.
2.
3.
4.
5.
4.2 moles
6.45 moles
.123 moles
8.91 moles
.423 moles
Balance the following equation then answer the following questions:
Nitrogen trihydride and nitrogen monoxide react to produce nitrogen and water
1.
2.
3.
4.
5.
If you have 12.6 moles of nitrogen monoxide, how many moles of nitrogen can you make?
If you make 3.2 moles of nitrogen, how many moles of nitrogen trihydride did you need?
If you start with 5 moles of nitrogen monoxide, how many grams of water can you make?
If you start with 112.3 grams of nitrogen monoxide, how many grams of nitrogen can you make?
If you start with 4.23 grams of nitrogen trihydride, how many grams of water can you make?
Balance the following equation then answer the following questions:
Aluminum sulfate and calcium hydroxide react to produce aluminum hydroxide and calcium sulfate
1.
2.
3.
4.
5.
To produce 34.5 moles of calcium sulfate, how many moles of aluminum sulfate must you have?
To produce 34.5 grams of aluminum hydroxide, how many moles of calcium hydroxide do you need?
If you produce 16.3 grams of aluminum hydroxide, how many grams of calcium sulfate did you produce?
If you start with 5.3 moles of aluminum sulfate, how many grams of calcium sulfate do you need for the reaction?
If you start with 5.3 grams of calcium hydroxide, how many grams of aluminum sulfate do you need for the reaction?