Addition
Determine the combined molar mass of a glucose molecule and a maltose molecule.
Glucose: 180.156 g/mol
Maltose: 342.3 g/mol
522.5 g/mol
The initial mass of a compound was 20.3 g. After undergoing a chemical reaction, the ending mass was 15.67 g. How many grams were lost as energy?
4.6 grams
When performing a calculation for a conversion problem, you must multiply 3.1 by 3.5. What is the final answer?
11
To calculate the g/mol in a substance, you must divide 7.06 g by 10.67 moles. How many g/mol are in the substance?
0.66 g/mol
Compute the following: (118.7 g / 2) - 35.5 g
23.9 g
There are 8.912 moles of Carbon and 3.4 moles of Hydrogen in a given sample. How many moles are there in total?
12.3 moles
When weighed, the mass of an unknown substance was 30.06 g. A portion of the substance was removed, and the substance was reweighed, with a new mass of 20.007 g. How many grams of the substance were removed?
10.05 g
To calculate the number of moles in an unknown substance, you must multiply 3.100 by 3.500. What is the final answer?
10.85
In order to complete a conversion factor, you must divide 100.08 g by 98.2 mol. What is the g/mol ratio?
1.02 g/mol
Compute the following: 2(1.008 g) + 15.99 g
18.01 g