percent composition,moles

percent composition,moles

10th Grade

4 Qs

quiz-placeholder

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percent composition,moles

percent composition,moles

Assessment

Quiz

Chemistry

10th Grade

Medium

NGSS
HS-PS1-7

Standards-aligned

Created by

Laurie Ramos

Used 7+ times

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4 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the percent by mass of sodium in NaCl?

39%
61%
35%
65%

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Write .506 as a percent.

5.06%
506%
50.6%
500.6%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many molecules are in 2.5 mol of NaCl?

1.50 x1024 molecules

1.50 molecules

4.15 molecules

1.51 x1024 molecules

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many particles are in a mole?

602
602 million
602 moles
6.02 x 1023

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