1 mole =6.0 * 10^23 atoms
3.0*10^23 atoms = 0.5 moles
the molar mass of neon is 20.18g/mole
0.5 moles = 10.09 grams
Iodine and Calcium is the correct answer
Answer:
2.5 mol Cl2 will react with 5 mol Na.
Explanation:
A study assessing the effect of anxiety (low vs. high) and stress (low vs. moderate vs. high) on test.
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The answer is B. The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.