Ammonium Sulfide Composition and Properties

Ammonium Sulfide Composition and Properties

Assessment

Interactive Video

Chemistry

9th - 10th Grade

Hard

Created by

Aiden Montgomery

FREE Resource

The video tutorial explains how to calculate the percent composition by mass of ammonium sulfide (NH4_2S). It covers the calculation of the percent composition for each element: nitrogen, hydrogen, and sulfur. The process involves using the molar mass of each element, multiplying by the number of atoms, dividing by the molar mass of NH4_2S, and converting to a percentage. The tutorial provides a step-by-step guide for each element, ensuring the total adds up to approximately 100%.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the chemical formula for ammonium sulfide?

(NH4)2S

NH3S

(NH3)2S

NH4S2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many nitrogen atoms are present in one formula unit of ammonium sulfide?

1

4

2

3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molar mass of nitrogen used in the calculation?

14.01 g/mol

16.00 g/mol

12.01 g/mol

1.01 g/mol

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the percent composition of nitrogen in ammonium sulfide?

50.00%

47.07%

41.13%

11.86%

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many hydrogen atoms are present in one formula unit of ammonium sulfide?

6

4

8

10

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the percent composition of hydrogen in ammonium sulfide?

47.07%

11.86%

50.00%

41.13%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the molar mass of sulfur used in the calculation?

32.07 g/mol

16.00 g/mol

14.01 g/mol

1.01 g/mol

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