1 answer:
D. The volume of a new substance has increased.
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21.69mL - 20.70mL = .99mL Fe
7.8 g / .99 mL = 7.9g/mL
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okie dokie I'll check it out right away
Answer: #2 : s, solid & #3 : PbBr2
Explanation:
Answer:
132.13952
Explanation:
There are two Nitrogen
8 Hydrogen
1 Sulfur
4 Oxygen
