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kksavage36
kksavage36
05.05.2020 • 
Physics

Sing your knowledge of chemical formulas, count the atoms of each element in HgO

Hg (Mercury)

O (Oxygen)

Question 2

/ 2 pts

Using your knowledge of chemical formulas, count the atoms of each element in Na2O2

Na (Sodium)

2

O (Oxygen)

2

Answer 1:

2

Answer 2:

2

IncorrectQuestion 3

0 / 3 pts

Using your knowledge of chemical formulas, count the atoms of each element in Al2(SO4)3

Al (Aluminum)

S (Sulfur)

O (Oxygen)

PartialQuestion 4

2 / 3 pts

Using your knowledge of chemical formulas, count the atoms of each element in Ca(OH)2

Ca (Calcium)

2

O (Oxygen)

2

H (Hydrogen)

2

Question 5

SELECT ALL THAT APPLY!!

What are the reactants in the following chemical equation?

NaClO3 --> NaCl + O2

NaClO3

NaCl

O2

IncorrectQuestion 6

0 / 1 pts

SELECT ALL THAT APPLY!! What are the products in the following chemical equation?

AgNO3 + K3PO4 -->Ag3PO4 +KNO3

AgNO3

Ag3PO4

KNO3

K3PO4

IncorrectQuestion 7

/ 1 pts

According to the Law of Conservation of Matter (also sometimes called the Law of Conservation of Mass), if there are 3 atoms of Oxygen on the REACTANTS side of a chemical equation, how many atoms of Oxygen must there be on the PRODUCTS side of the equation?

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