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WorksheetsCHEM 1341 EXAM 1 REVIEW
Total questions: 22
Worksheet time: 2hrs 50mins
How would you classify the matter in the picture above?
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
How would you classify the matter in the picture above?
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
How would you classify the matter in the picture above?
Element
Compound
Homogeneous Mixture
Heterogeneous Mixture
(1 gallon = 3.79 Liters)
How many kilograms of calcium are there in 173 pounds of calcium? (1 pound = 454 grams; 1 kg = 1000 g)
1.10 kg
78.5 kg
110 kg
78500 kg
What is the correct name for this polyatomic ion: ClO–
hypochlorite
chlorite
chlorate
perchlorate
what is the name of CCl4?
carbon tetrachloride
monocarbon tetrachloride
tetracarbon monochloride
carbon chloride
What is the name of the compound P2O5
Pentaphosphorus dioxide
Phoshphide dioxide
Diphosphorus pentoxide
What is the fomula of carbonic acid?
H2CO3
H2CrO4
H2C2O4
HCO3
The name of the acid with the formula HF is ____.
flouric acid
hydrofluoric acid
fluorate acid
hydrogen fluoridic acid
Calculate the molar mass of Ba(C2H3O2)2
255.3 g/mol
237.3 g/mol
228.3 g/mol
196.3 g/mol
How many molecules are there in 31.8 moles of water?
5.28 x 10-23 molecules
1.91 x 1025 molecules
5.28x 10-25 molecules
1.91 x 1023 molecules
How many moles are there in 425.0 g of sodium chloride (NaCl)?
9.835 mol
8.126 mol
7.272 mol
6.691 mol
Find the percentage composition of Mg in Mg3(PO4)2.
27.48% Mg
43.11% Mg
16.00% Mg
12.63% Mg
