What does mass spectrometry help a biologist reveal?

Information about a compounds composition

SI base unit used to measure the amount of a substance

2.55935 x 10^22 Molecules of H2So4

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The Mole 10.1 & 10.2 By Sawaiz and John

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This is the Quiz! Game that Sawaiz and John Lawrence created for our chemistry project. Our topic is "The Mole" in 10.1 and 10.2! :-)

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Questions 20

Answers

1
Perform the following conversion: 1.51 x 10^15 atoms of Si to mol of Si
8.41 x 10^-3
4.62 x 10^-8
3.67 x 10^9
2.51 x 10^-9
2
How many moles are in 98.2 grams of sodium hydroxide?
5.46 moles of NaOH
1.64 moles of NaOH
2.46 moles of NaOH
8.56 moles of NaOH
3
How many grams are in 4.32 x 10^21 atoms of gold?
1.62 grams
1.52 grams
1.41 grams
2.81 grams
4
What does mass spectrometry help a biologist reveal?
Information about a compounds composition
Information about the periodic table
Information about dimensional analysis
Information about elements
5
How many moles are there in 35.0 grams of calcium nitrate dihydrate?
1.175 moles
1.785 moles
0.897 moles
0.175 moles
6
Calculate the molar mass of barium hydroxide
172 g/mol
182 g/mol
171 g/mol
271 g/mol
7
How many formula units are there in 3.45 moles of AgOH?
2.08 x 10^24 form. Units
2.28 x 10^24 form. Units
8.08 x 10^25 form. Units
2.80 x 10^24 form. Units
8
What is the mole?
SI base unit used to measure velocity
Unit to measure area
SI base unit used to measure the amount of a substance
The the smallest particle in all of science
9
What is the name of this man? He was
Isaac Newton
Charles Darwin
Amedeo Avogadro
Albert Einstien
10
What is a mol composed of?
Calculations
Numbers
Only ions
Representative particles
11
How many atoms are in 425 grams of magnesium?
1.05 x 10^25 atoms
8.06 x 10^26
1.01 x 10^24
2.02 x 10^25 atoms
12
Which of the following is Avogadro's number?
5.022x10^23
9.022x10^23
6.022x10^23
6.099x10^27
13
Perform problem b.
2.55935 x 10^22 Molecules of H2So4
8.5674 x 10^22 Molecules of H2So4
9.8291 x 10^22 Molecules of H2So4
3.54667 x 10^22 Molecules of H2So4
14
Atomic-mass values given on the periodic table are not exact ____.
Prime numbers
Composite numbers
Integers
Calculations
15
Calculate the moles of carbon dioxide in 7.39 x 10^24 molecules
12.6 moles
11.2 moles
12.3 moles
13.2 moles
16
The mass in grams of one mole of any pure substance is called its _______.
Factor
Weight
Molar mass
Atomic number
17
What is this a picture of?
Alligator
Rat
The animal mole
Chemistry mole
18
How many molecules are in 3.5 moles of dicarbon trihydride?
2.1 x 10^24 molecules
7.1 x 11^24 molecules
4.1 x 10^24 molecules
2.4 x 10^24 molecules
19
What is this picture of?
Table of numbers
Periodic table of elements
Elements graph
Periodic table of calculations
20
What is this picture of?
Molecule
Gamma ray
Atom
A star

The Mole 10.1 & 10.2 By Sawaiz and John Flashcards | StudBud