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9th - 10th Grade

10 Qs

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Assessment

Quiz

Chemistry

9th - 10th Grade

Hard

Created by

Janet Knight

Used 4+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What conversion factor is used to convert mole to mass?

1 mole/molar mass

molar mass/1 mole

1 mole/6.02 x 1023 particles

6.02 x 1023 particles/1 mole

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What conversion factor is used to convert atoms to moles?

1 mole/molar mass

molar mass/1 mole

1 mole/6.02 x 1023 particles

6.02 x 1023 particles/1 mole

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

The molar mass for oxygen is

16.0 grams/mol

16.0 grams

32.0 grams

32.0 grams/mol

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

1 mole of water, H20, has ____ hydrogen atoms?

6.02 x 1023 hydrogen atoms

2 hydrogen atoms

2 x 6.02 x 1023 hydrogen atoms

no correct answer listed

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What conversion factor is used to convert mole to mass for sodium chloride?

1 mole NaCl/58.45 grams

58.45 grams/1 mole NaCl

58.45 grams/6.02 x 1023 molecules

6.02 x 1023 molecules/58.45 grams

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What conversion factor/s is/are used to convert 3.5 x 1024 molecules of carbon dioxide to mass?

1 mole/molar mass

(1 mole/6.02 x 1023 molecules) x (1 mole/44.01 grams)

(1 mole/6.02 x 1023 molecules) x (44.01 gram/1 mole)

1 mole/6.02 x 1023 molecules

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The name for Co2(HPO3)3

cobalt III biphosphite

cobalt II biphosphite

cobalt II triphosphite

cobalt II hydrogen phosphate

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