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by BlastRoom
Practice converting among moles, particles, and gas volume at STP.
#chemistry
24 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
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How many sodium atoms are in 3.00 mol Na?
A sample contains 0.250 mol H2O. How many H2O molecules is this?
In 2.50 mol CO2, how many oxygen atoms are present?
For 0.400 mol CaCl2 formula units, how many chloride ions are represented?
A tank contains 1.25 mol N2. How many nitrogen atoms are in the sample?
How many sulfate ions are in 0.0500 mol Al2(SO4)3?
A sample contains 1.204 × 1024 molecules of O2. How many moles of O2 molecules is this?
A pile of salt contains 3.01 × 1023 formula units of NaCl. How many moles of NaCl is that?
Diamond is carbon. If a diamond contains 9.03 × 1023 carbon atoms, how many moles of carbon atoms does it contain?
A CH4 sample contains 4.816 × 1024 hydrogen atoms. How many moles of CH4 molecules are in the sample?
A CO2 sample contains 1.806 × 1024 oxygen atoms. How many moles of CO2 molecules are present?
What volume does 0.750 mol N2 gas occupy at STP?
A balloon holds 2.00 mol He gas at STP. What is the gas volume?
At STP, 0.125 mol CO2 gas occupies what volume?
Find the volume of 3.50 mol NH3 gas at STP.
How many liters are occupied by 1.20 mol O2 gas at STP?
How many O2 molecules are in 11.2 L of O2 gas at STP?
A 44.8 L sample of CO2 gas is at STP. How many CO2 molecules does it contain?
At STP, 5.60 L of neon gas contains how many Ne atoms?
A 33.6 L sample of NH3 gas is at STP. How many NH3 molecules are present?
At STP, 22.4 L of Cl2 gas contains how many chlorine atoms?
At STP, what volume is occupied by 1.204 × 1024 helium atoms?
At STP, what volume of O2 gas contains 6.02 × 1023 oxygen atoms?
A sealed flask contains 9.03 × 1023 molecules of H2S gas. At STP, what volume would that gas occupy?
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Empirical and Molecular Formulas
20 questions
