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Answer:
Mass = 208.26 g
Explanation:
Given data:
Volume of water = 40.0 mL
Volume of water + copper = 63.4 mL
Volume of copper = ?
Density of copper = 8.9 g/cm³
Mass of copper = ?
Solution:
Volume of copper:
Volume of copper = (Volume of water + copper ) - Volume of water
Volume of copper = 63.4 mL - 40.0 mL
Volume of copper = 23.4 mL
Mass of copper:
density = mass/volume
8.9 g/cm³ = mass/23.4 mL
cm³ = mL
Mass = 8.9 g/mL × 23.4 mL
Mass = 208.26 g
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Answer:
A. Non-metal
B. Six
C. 2
D.NA2O
E.Oxygen
Explanation:
Oxygen is the element in the second period (second horizontal row) and Group VI A of the periodic table. These properties apply to oxygen
Explanation:
I think the answer is B ♂️ but I'm not sure