Answer:
B
Explanation:
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Lead because it’s a type of lead that other things
0.499 mol
Explanation: M(CaC2) = 64.1 g/mol, n= m/M = 32.0 g/ 64.1 g/ mol= 0.499 mol
Amount of Calcium hydroxide Is same
Osmosis is about the movement of water molecules and diffusion is about the movement of substances
Answer:
0.37 %
Explanation:
Given that:
Calculated density of aluminum = 2.69 g/cm³
Accepted density of aluminum = 2.70 g/cm³

Thus, applying values as:

<u>Percent error = 0.37 %</u>