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Percent comp. & Naming Acids (Review)

Authored by Kyle Sheahon

Chemistry

11th Grade

Used 4+ times

Percent comp. & Naming Acids (Review)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Find the percent composition of Cu2S?

%Cu= 67.987 %S= 32.013
%Cu= 79.854   %S= 20.145
%Cu= 35.946   %S= 64.054

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of the total atomic mass of carbon monoxide is composed of carbon?

29%

43%

57%

73%

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What percentage of the total atomic mass of magnesium bromide is composed of magnesium?

13%

43%

63%

87%

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Calculate the percent by mass of water in the following hydrate: Iron (III) chloride hexahydrate

60.01%

39.99%

34.75%

6.65%

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

When naming binary acids, the ending always changes to:

-ate

-ite

-ic

-ous

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

When naming oxyacids, change "-ite" to:

-ate

-ic

-ous

-ite

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for phosphorous acid?

H3PO4
H2PO4
H3P
H3PO3

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