Multiple Choice
A small gold coin weighs 21.4 g. How many moles of gold are contained in the coin?
A) 9.20 mol
B) 1.29 1025 mol
C) 3.55 10-23 mol
D) 6.02 1023 mol
E) 0.109 mol
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q19: Atoms are neither created nor destroyed during
Q20: Solid aluminium reacts with oxygen gas to
Q21: Ethane (C<sub>2</sub>H<sub>6</sub>) is a minor component of
Q22: The following unbalanced equation represents formation of
Q23: Calculate the volume, in cm<sup>3</sup>, of 0.67
Q25: Pictured here is the periodic table block
Q26: Choose the chemical reaction that best represents
Q27: Which statement about carbon monoxide is false?<br>A)
Q28: Cells store chemical energy in the form
Q29: Ethane (C<sub>2</sub>H<sub>6</sub>) is a minor component of