Which conversion factor would best fit in the space labeled C in this diagram?
15 Cards in this Set
| Which conversion factor would best fit in the space labeled “B” in this diagram? | C. Molar mass of substance |
|---|---|
| Which is the correct formula for the compound whose percent composition is shown? (pie chart) | C. KNO3 |
| Which substances have the same empirical formula? (chart of formulas) | D. Samples 2 and 3 |
What is the empirical formula of a compound that is 40 sulfur and 60 oxygen by weight?
Moles Review
| Question | Answer |
|---|---|
| What is the molar mass of Li3(PO3)? | 99.79g |
| What is the empirical formula of a compound that is 40% sulfur and 60% oxygen by weight? | SO3 |
| What is the empirical formula of a substance that is 53.5%C,15.5%H,and 31.1%N by weight? | C2H7N |
| How many particles are in 3.54 moles of NH3? | 2.131×10^24 particles |
What is the empirical formula of a compound that is 40.1% sulfur and 59.9% oxygen?
Steps
| 1 | Find the empirical formula of a compound that has 59.9% of Oxygen (O), 40.1% of Sulphur/Sulfur (S). |
|---|---|
| 6 | Divide by fractional component of each mole value: O=3.0126558639419, S=1.0063279319709 |
| 7 | Round to closest whole numbers: O=3, S=1 |
| 8 | Combine to get the empirical formula: O3S |
What is the empirical formula of a compound that is 40% sulfur and 50% oxygen by mass?
The empirical formula would be =SO3.
What is the empirical formula of a compound that has 40% carbon 6.7% hydrogen and 53.3% oxygen?
1 Answer. Ernest Z. The empirical formula is CH2O .
Which formula represents a compound that is 6% hydrogen and 94% oxygen by mass?
The empirical formula of a compound containing 94% oxygen and 6% hydrogen by mass is OH.
What is the empirical formula of a compound that is 43% carbon and 57% oxygen?
Based on the calculation, the empirical formula for the compound is SO1.5 S O 1.5 .
Do c2h4 and c6h6 have the same empirical formula?
In second molecule the C to H ratio is 2:6 and it is simplified to 1:3. So, the empirical formula for this one is also . Hence. this is the correct choice.
Which compound has the same empirical and molecular formula C2H4?
One molecule of ethylene (molecular formula C2H4) contains two atoms of carbon and four atoms of hydrogen. Its empirical formula is CH2. Both have the same empirical formula, yet they are different compounds with different molecular formulas.
Which of these is an empirical formula C2H4?
Ethene is a small hydrocarbon compound with the formula C2H4 (see diagram below). While C2H4 is its molecular formula and represents its true molecular structure, it has an empirical formula of CH2. The simplest ratio of carbon to hydrogen in ethene is 1:2.
Does h2o and h2o2 have the same empirical formula?
I: H2O and H2O2 have the same empirical formula. II: In H2O and H2O2, oxygen has the same oxidation state.
What is the empirical formula of benzene and hydrogen peroxide?
The empirical formula of a compound is the chemical formula which expresses the simplest whole number ratio of the atoms of the various elements present in one molecule of the compound. For Ex: The empirical formula of benzene is CH, hydrogen peroxide is HO, Glucose is CH2O.
Is C6H6 an empirical formula?
Empirical formula of a chemical compound is a representation of the simplest whole number ratio between the elements comprising the compound. Now ratio of Carbon atoms to Hydrogen atoms in Benzene (C6H6) is 1:1. Therefore, the empirical formula of Benzene is simply CH.
What is the empirical formula of C4H8?
molecule of a compound. o Example: the compound butene has a molecular formula of C4H8. The empirical formula of butene is CH2 because there is a 1:2 ratio of carbon atoms to hydrogen atoms.
What is the empirical formula of WO2?
Molecular and Empirical Formulas
| Question | Answer |
|---|---|
| What is the empirical formula for the compound WO2? | WO2 |
| Write the empirical formula for the compound C2H6O2? | CH3O |
| What is the molecular formula of a compound with an empirical formula of C2OH4 and a molar mass of 88 grams per mole? | C4O2H8 |
What is the empirical formula for C6H12O6?
CH2O
Which of the following can not be an empirical formula for a compound?
Explanation: An empirical formula represents the simplest whole number ratio of elements in a compound. Since the subscripts of the elements in C6H12O6 can be divided by 6 to get the simplest whole number ratio of elements, it is not an empirical formula.
What is the difference between a molecular formula and an empirical formula?
Empirical formulas show the simplest whole-number ratio of atoms in a compound, molecular formulas show the number of each type of atom in a molecule, and structural formulas show how the atoms in a molecule are bonded to each other.
Does C7H14 and C10H20 have the same empirical formula?
C7H14 and C10H20 have the same empirical formula which is CH2.
Is Cr2O3 an empirical formula?
There are 2 mol of Cr for 3 mol of O . The empirical formula of chromium oxide is Cr2O3 .
What is the empirical formula of na2so3?
What is Sodium Sulfite? Sodium sulfite is an inorganic salt with the chemical formula Na2SO3. It is an ionic compound containing two sodium cations (Na+) and one sulfite anion (SO32-).
What is the empirical formula for a compound that is 43.6% phosphorus and 56.4% oxygen?
Steps
| 1 | Find the empirical formula of a compound that has 56.4% of Oxygen (O), 43.6% of Phosphorus (P). |
|---|---|
| 6 | Divide by fractional component of each mole value: O=5.0518027507766, P=2.0172675835922 |
| 7 | Round to closest whole numbers: O=5, P=2 |
| 8 | Combine to get the empirical formula: O5P2 |