Topic 3: Stoichiometry Flashcards

1
Q

Tell me the formula of ammonia

A

NH3

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2
Q

Tell me the formula of calcium hydroxide

A

Ca(OH)2

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3
Q

Tell me the formula of carbon dioxide

A

CO2

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4
Q

Tell me the formula of copper sulfate

A

CuSO4

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5
Q

Tell me the formula of ethanol (alcohol)

A

C2H5OH

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6
Q

Tell me the formula of glucose.

A

C6H12O6

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7
Q

Tell me the formula of hydrochloric acid.

A

HCl

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8
Q

Tell me the formula of nitric acid.

A

HNO3

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9
Q

Tell me the formula of sodium carbonate

A

Na2CO3

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10
Q

Tell me the formula of sodium hydroxide

A

NaOH

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11
Q

Tell the formula of sulfuric acid

A

H2SO4

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12
Q

Define molecular formula.

A

The number of atoms of each element in one molecule of a compound

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13
Q

Define empirical formula

A

The simplest whole number ratio of atoms of each element in the compound

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14
Q

Draw the formula diagram of hydrogen

A
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15
Q

Draw the formula diagram of carbon dioxide

A
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16
Q

Draw the formula diagram of water.

A
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17
Q

Draw the formula diagram of ammonia

A
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18
Q

Write the ionic formula of hydrogen.

A

H+

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19
Q

Write the ionic formula of lithium

A

Li+

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20
Q

Write the ionic formula of sodium

A

Na+

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21
Q

Write the ionic formula of potassium

A

K+

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22
Q

Write the ionic formula of silver

A

Ag+

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23
Q

Write the ionic formula of ammonium

A

NH4+

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24
Q

Write the ionic formula of magnesium

25
Write the ionic formula of iron(II)
Fe2+
26
Write the ionic formula of calcium
Ca2+
27
Write the ionic formula of zinc
Zn2+
28
Write the ionic formula of lead
Pb2+
29
Write the ionic formula of copper
Cu2+
30
Write the ionic formula of barium
Ba2+
31
Write the chemical formula of aluminium
Al3+
32
Write the ionic formula of iron (III)
Fe3+
33
Write the ionic formula of phosphate
PO43-
34
Write the ionic formula of oxygen
O2-
35
Write the ionic formula of carbonate
CO3-
36
Write the ionic formula of sulfate
SO42-
37
Write the ionic formula of sulfide
S2-
38
Write the ionic formula of fluoride
F-
39
Write the ionic formula of chloride
Cl-
40
Write the ionic formula of bromide
Br-
41
Write the formula of iodide.
I-
42
Write the formula of nitrate.
NO3-
43
Write the formula of hydroxide
OH-
44
Write the formula of hydrogen carbonate
HCO3-
45
Write the ionic equation of the reaction between AgNO3 and NaCl
AgNO3(aq) + NaCl (aq) ---> AgCl(s) + NaNO3(aq)
46
What is the mole.
The mole is the unit for the amount of substance
47
Write the avogardo's constant.
6.02 x 10^23
48
Write the formula for finding the number of moles of a solid.
Mass x Mr = moles
49
Write the formula to find the number of moles of gas at RTP
Volume of gas (dm3) x 24
50
51
What is a limiting reactant?
The reactant that is used up first
52
53
How do you calculate the concentration of a substance.
Mass/vol --> g/dm3
54
55
56
57
How do you find percentage yield?
58
How do you calculate percentage purity?