Question

In: Chemistry

Calculate the number of moles in 82.05 grams of Ca(NO3)2. 1 mole 2 moles 82.05 moles...

Calculate the number of moles in 82.05 grams of Ca(NO3)2.
1 mole
2 moles
82.05 moles
0.50 moles

Question 3
Determine the number of grams in 0.5390 moles of calcium nitrate.
88.45 g
164.1 g
1 g
0.5390 g

Question 4
A sample of pure calcium nitrate has the same number of calcium cations as nitrate anions.
True
False

Question 5
A sample of calcium nitrate has twice as many nitrate anions as calcium cations.
True
False

Question 6
A sample of calcium nitrate that weighs 328.2 grams has
164.1 g of calcium
40.08 g Ca
80.16 g Ca
1 mole of calcium

Question 7
Place the following in order from the heaviest to the lightest.
- 1. 2. 3. 4. the mass of 1.2 moles of aluminum hydroxide
- 1. 2. 3. 4. the mass of one mole of calcium nitrate
- 1. 2. 3. 4. the mass of 1 mole of H2SO4
- 1. 2. 3. 4. the mass of 0.610 moles of calcium nitrate

Question 8
Is the formula weight of ammonium phosphate 149.33 g/mole? Pull all atomic weights from the periodic table with two decimal places to figure it out.
True
False

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