Calculate the molar mass of NH4Br
97.9 grams
Calculate the molar mass of Lead(II) Chloride
278 grams
Calculate the mass (in grams) of 18.0 mol water
324 grams
Calculate the mass (in grams) of 4.56E5 mol of ethanol, C2H5OH
2.0976 E7 grams
Calculate the number of moles 521 grams of copper (I) chloride represents
5.26 moles
Calculate the number of molecules present in 5.23 grams of benzene, C6H6
4.04 E22 molecules
Calculate the mass percent of each element in adipic acid, C6H10O4
C=49.3%, H=6.8%, O=43.9%
How many molecules are there in 11.2 liters of O2 gas at STP
3.01 E23 molecules
Calculate the moles and volume for 14 grams of CO gas at STP
.4998 moles, 11.195 liters
What is the mass of NE if a sample of neon gas has a volume of 10 L at STP
9.08 grams
Give the empirical formula that corresponds to 1,4-dichloro-2-butene, C4H6Cl2
C2H3Cl
Give the empirical formulas that corresponds to butane, C4H10
C2H5
A 1.500-g sample of a compound containing only carbon and hydrogen is found to contain 1.198-g of carbon. Determine the empirical formula for this compound
H3C
When a 2.000-g sample of iron metal is heated in air, it reacts with oxygen to achieve a final mass of 2.573 g. Determine the empirical formula for this iron oxide.
FeO
The most common nylon (Nylon-6) is 63.68% carbon, 12.38% nitrogen, 9.80% hydrogen, and 14.14% oxygen. Calculate the empirical formula for Nylon-6.
C6NH11O
A compound has been analyzed and found to have the following mass percent composition: 66.75% copper, 10.84% phosphorous, and 22.41% oxygen. Determine the empirical formula.
Cu3PO4
The simplest amino acid, glycine has the following mass percents: 32.00% carbon, 6.714% hydrogen, 42.63% oxygen, and 18.66% nitrogen. Determine the empirical formula for glycine.
C2H5O2N
A white powder is analyzed and found to have an empirical formula of P2O5. The compound has a molar mass of 283.88 g. What is the compounds molecular formula.
P4O10
A compound containing carbon, hydrogen, and oxygen is found to be 40.00% carbon and 6.700% hydrogen by mass. The molar mass of this compound is between 115 g/mol and 125 g/mol. Determine the molecular formula for this compound.
C9H18
Give the formula for: Volume(L) -> Mass
Volume| 1 Mol | atomic mass
````````` |22.4 L | 1 Mol
Give the formula for: Mass(g) -> Volume(L)
Mass(g) | 22.4 L | 1 Mol
``````````` | 1 Mol | atomic mass
Give the formula for: Mol -> Volume(L)
Moles | 22.4 L
```````` | 1 Mol
Give the formula for: Volume(L) -> Mol
Volume(L) | 1 Mol
`````````````` | 22.4 L
Give the formula for: Atoms -> Moles
atoms | 1 Mol
```````` | 6.022 E23
Give the formula for: Mass(g) -> Moles
Mass(g) | 1 Mol
``````````` | atomic mass
Give the formula for: Moles -> Atoms
Moles | 6.022 E23
```````` | 1 Mol
Give the formula for: Moles -> Mass(g)
Moles | atomic mass
```````` | 1 Mol