Mole Conversions
16 Questions
| Attempts: 354
Converting moles to grams, liters and number of particles and vice versa. Representative particles are also reviewed.
Questions and Answers
- 1.
1 mole of xenon gas (at STP) would have a mass of ? grams. (Round to nearest 1/10th of a gram)
- 2.
1 mole of xenon gas (at STP) would have a volume of ? liters.
- 3.
1 mole of xenon gas (at STP) would consist of ? atoms.For answers in scientific notation, write the letter E in place of " x 10" followed by the exponent. For example, 3.58E21 would be typed in to represent 3.58 x 1021
- 4.
1 mole of fluorine gas would have a mass of ? grams.
Explanation
Fluorine is diatomic so you have to double 19.0Rate this question:
- 5.
Convert 5.88 x 1022 atoms of silicon to grams. Do not round off your answer in between steps.
- 6.
Convert .59 grams of sulfur dioxide gas to liters (at STP)
- 7.
Convert 265 mL of nitrogen gas at STP to molecules
Explanation
Did you change mL to L? 1000 mL = 1 LRate this question:
- 8.
Convert 12.9 g of calcium nitrate to moles.
Explanation
The molar mass of calcium nitrate is 164.1 g/mole. Did you look up charges and get the formula right?Rate this question:
- 9.
Convert .850 L of phosphorus trichloride gas (at STP) to grams.
Explanation
If you rounded molar masses to the nearest 1/10th of a gram, you should have 137.5 g/mole as the molar mass of phosphorus trichloride.Rate this question:
- 10.
Give the representative particle (atoms, molecules or formula units) for:tin
Explanation
All but seven of the elements have atoms as their rep. particlesRate this question:
- 11.
Give the representative particle (atoms, molecules or formula units) for:oxygen gas
Explanation
Oxygen is a diatomic element, hence it is composed of molecules.Rate this question:
- 12.
Give the representative particle (atoms, molecules or formula units) for:ammonium chloride
Explanation
this is an ionic compoundRate this question:
- 13.
Give the representative particle (atoms, molecules or formula units) for:phosphorus pentoxide
Explanation
This is a molecular compoundRate this question:
- 14.
Give the representative particle (atoms, molecules or formula units) for:Ba(OH)2
Explanation
This is an ionic compoundRate this question:
- 15.
Give the representative particle (atoms, molecules or formula units) for:iodine
Explanation
Iodine is diatomic.Rate this question:
- 16.
Convert 2.48 x 1024 formula units of aluminum sulfate to grams.
Explanation
Did you look up charges to get the right formula? Molar mass should be 342.3 g/mole.Rate this question:
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Mar 20, 2022Quiz Edited by
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Jan 12, 2011Quiz Created by
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