Stoichiometry-Relative Molecular Mass, Moles

Stoichiometry-Relative Molecular Mass, Moles

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Flashcard

Chemistry

8th Grade

Hard

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17 questions

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1.

FLASHCARD QUESTION

Front

What is the relative atomic mass? Options: 2, 8, 12, 24

Back

24

2.

FLASHCARD QUESTION

Front

What is the relative molecular mass of nitrogen gas? Ar N = 14 gram

Back

28

3.

FLASHCARD QUESTION

Front

What is the relative molecular mass of ammonia? (Ar H = 1, Ar N = 14)

Back

17

4.

FLASHCARD QUESTION

Front

What is the relative molecular mass of sulfuric acid? (Ar H = 1 gram, Ar S = 32 gram, Ar O = 16 gram)

Back

98

5.

FLASHCARD QUESTION

Front

Number of moles of 50 g Calcium carbonate (Mr=100)

Back

0.5

6.

FLASHCARD QUESTION

Front

What is the chemical symbol for the metals sodium, potassium, lead, and zinc, respectively?

Back

Na, K, Pb, Zn

7.

FLASHCARD QUESTION

Front

Relative molecular mass of CO2 (C=12, O=16)

Back

44

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