Quiz | Chemical Calculations
What is the mass of 1 mole of benzaldehyde (C6H5CHO)?
6.022 x 1023 g
Same as 1 mole of benzene (C6H6)
What is the mass of carbon present in 110 g of dioxide?
How many moles does a balloon filled with 10 g of hydrogen have?
10 moles of H2
9.90 moles of H2
4.95 moles of H2
20.2 moles of H2
How many of carbon atoms do you have in 0.4 mole of C2H4?
1.35 x 1025 atoms
2.41 x 1023 atoms
1.72 x 1022 atoms
4.82 x 1023 atoms
What is the limiting reagent in a chemical reaction?
The reagent which is consumed completely
The reagent which has the smallest molar mass
The reagent which has the smallest coefficient
All of the above
How many grams of NH3 can be prepared from 5 g of N2 and 5 g of H2?
3.04 g of NH3
6.08 g of NH3
14.05 g of NH3
28.10 g of NH3