Name for the following hydrate
CaCl2 • 2H2O
calcium chloride-dihydrate.
Name or write the formula for the following hydrate
lithium perchlorate trihydrate
ClH6LiO7 *3H20
Calculate the number of moles present in 5.36 g of Sodium carbonate.
0.05057 mol
Find the percent composition of each of the elements
PbCl2
74.5% lead (Pb) and 25.5% chlorine (Cl).
Identify the following as Binary or Ternary compounds
BaF2
binary
Name for the following hydrate
Саз (PO4)2 • 8H20
Cobalt(II) phosphate octahydrate
Write the formula for the binary ionic compound formed between the following elements
Aluminum and sulfur
Al2S3
Determine the number of moles of magnesium sulfate in a 7.23 g sample
0.06006 mol
What is the % water found in MgBr2 • 4H2O?
28.1%
Identify the following acid as a binary acid or an oxyacid
H2SO4
Oxyacid
Name the following Ionic Compound
Ca(OH)2
calcium hydroxide
Name or write the formula for the following hydrate
lead(II) chloride hexahydrate
PbCl2·6H2O
A sample of a hydrated salt, MgSO₄ · xH₂O, has a molar mass of 138 g/mol, find the molar mass of each element.
Mg = 24.31 g/mol, S = 32.07 g/mol, O = 16.00 g/mol, H = 1.008 g/mol
What is the % water found in MgCrO4*5H2О
39.1%
What is the name of the force of attraction that holds atoms of an ionic bond together
electrostatic attraction
Name for the following hydrate
FeSO4 • 7H20
ferrous sulfate heptahydrate
Name or write the formula for the following hydrate
barium hydroxide octahydrate
Ba(OH)2 · 8H2O
A sample of a hydrated salt, CuSO₄ · xH₂O, has a molar mass of 249.7 g/mol. Find the molar mass of all of the elements
Cu = 63.55 g/mol, S = 32.07 g/mol, O = 16.00 g/mol, H = 1.008 g/mol
Find the percent composition of each of the elements
H2SO3
2.5% (H) and 39% (S) and 58.5% (O)
List the 7 diatomic elements
Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Bromine, Iodine
Name the following Ionic Compound
Fe2(CrO4)3
iron (II) chromate
Name or write the formula for the following hydrate
sodium carbonate monohydrate
Na2CO3 · H2O
A sample of Copper (lll) sulfate hydrate has a mass of 3.97 g. After heating, the anhydrate has a mass of 2.54 g. Determine the correct formula and name for the hydrate. 18.
Formula: Cu2(𝑆𝑂4)3*15𝐻2𝑂
Name: copper(III) sulfate pentadecahydrate.
What is the % water found in magnesium sulfate heptahydrate
51.2%
When 5.00g of an Iron (lll) chloride hydrate is heated, 2.00 g of water are driven off. Find the chemical formula and the name of the hydrate
Chemical formula: FeCl₃·6H₂O
Name: Iron (III) chloride hexahydrate.