Unit 6 Flashcard Review Honors

Unit 6 Flashcard Review Honors

Assessment

Flashcard

Chemistry

9th - 12th Grade

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the molar mass of C8H18?

Back

The molar mass of C8H18 (octane) is approximately 114.22 g/mol.

2.

FLASHCARD QUESTION

Front

How do you calculate the mass of a substance from moles?

Back

Mass (g) = Moles × Molar Mass (g/mol).

3.

FLASHCARD QUESTION

Front

What is percent composition in chemistry?

Back

Percent composition is the percentage by mass of each element in a compound.

4.

FLASHCARD QUESTION

Front

How do you find the percent composition of fluorine in CaF2?

Back

Percent composition of fluorine = (mass of fluorine in formula / molar mass of CaF2) × 100.

5.

FLASHCARD QUESTION

Front

What is the volume of 1 mole of gas at STP?

Back

At STP (Standard Temperature and Pressure), 1 mole of gas occupies 22.4 L.

6.

FLASHCARD QUESTION

Front

What is the volume of 1.5 moles of gas at STP?

Back

Volume = 1.5 moles × 22.4 L/mole = 33.6 L.

7.

FLASHCARD QUESTION

Front

What is an empirical formula?

Back

An empirical formula is the simplest whole-number ratio of atoms in a compound.

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