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If 46 grams of Na and 71 grams of Cl2 react completely, what is the total mass of NaCl produced?
117 g
metallic bonding
Na2SO4
9.2%
The distribution of charge in the molecule is symmetrical.
The solid is a poor conductor, and the liquid is a good conductor.
The moles of H+(aq) equal the moles of OH-(aq).
2-7-1
Which electron configuration represents the electrons of an atom of neon in an excited state?
117 g
metallic bonding
Na2SO4
9.2%
The distribution of charge in the molecule is symmetrical.
The solid is a poor conductor, and the liquid is a good conductor.
The moles of H+(aq) equal the moles of OH-(aq).
2-7-1
Which type of bonding is present when valence electrons move within the sample?
117 g
metallic bonding
Na2SO4
9.2%
The distribution of charge in the molecule is symmetrical.
The solid is a poor conductor, and the liquid is a good conductor.
The moles of H+(aq) equal the moles of OH-(aq).
2-7-1
Which statement explains why 10.0 mL of a 0.50 M H2SO4(aq) solution exactly neutralizes 5.0 mL of a 2.0 M NaOH(aq) solution?
117 g
metallic bonding
Na2SO4
9.2%
The distribution of charge in the molecule is symmetrical.
The solid is a poor conductor, and the liquid is a good conductor.
The moles of H+(aq) equal the moles of OH-(aq).
2-7-1
Which statement explains why the molecule is nonpolar?
117 g
metallic bonding
Na2SO4
9.2%
The distribution of charge in the molecule is symmetrical.
The solid is a poor conductor, and the liquid is a good conductor.
The moles of H+(aq) equal the moles of OH-(aq).
2-7-1
A student measures the mass and volume of a sample of copper at room temperature and 101.3 kPa. The mass is 48.9 grams and the volume is 5.00 cubic centimeters. The student calculates the density of the sample. What is the percent error of the studen
117 g
metallic bonding
Na2SO4
9.2%
The distribution of charge in the molecule is symmetrical.
The solid is a poor conductor, and the liquid is a good conductor.
The moles of H+(aq) equal the moles of OH-(aq).
2-7-1
A solid sample of a compound and a liquid sample of the same compound are each tested for electrical conductivity. Which test conclusion indicates that the compound is ionic?
117 g
metallic bonding
Na2SO4
9.2%
The distribution of charge in the molecule is symmetrical.
The solid is a poor conductor, and the liquid is a good conductor.
The moles of H+(aq) equal the moles of OH-(aq).
2-7-1
What is the chemical formula for sodium sulfate?
117 g
metallic bonding
Na2SO4
9.2%
The distribution of charge in the molecule is symmetrical.
The solid is a poor conductor, and the liquid is a good conductor.
The moles of H+(aq) equal the moles of OH-(aq).
2-7-1
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