Answer:
the ans
Explanation:
Sodium + chlorine → sodium chloride
The balanced chemical equation:
2Na + Cl2 → 2NaCl
According to the equation above: n(Na) = n(NaCl)
Moles of Na = Mass of Na / Molar mass of Na
The molar mass of Na is 22.9898 g mol-1.
Hence,
n(Na) = 86.33 g / 22.9898 g mol-1 = 3.755 mol
n(NaCl) = n(Na) = 3.755 mol
Moles of NaCl = Mass of NaCl / Molar mass of NaCl
Mass of NaCl = Moles of NaCl × Molar mass of NaCl
The molar mass of NaCl is 58.44 g mol-1.
Hence,
m(NaCl) = 3.755 mol × 58.44 g mol-1 = 219.44 g
m(NaCl) = 219.44 g
OR:
(86.33 g Na)×(1 mol Na/22.9898 g Na)×(2 mol NaCl/2 mol Na)×(58.44 g NaCl/1 mol NaCl) = 219.45 g
Answer: 219.44 grams (or 3.755 mol) of sodium chloride (NaCl) will be produced.
Answer:
Answer - D (looking through a pieacef glass)
Explanation:
The light ray appears to bend as it passes through the surface of the glass. This 'bending of a ray of light' when it passes from one substance into another substance is called refraction. The bending of a ray of light also occurs when the ray comes out of glass or water and passes into the air.
For the answer to the question above asking w<span>hen an atom of n-14 is bombarded by an alpha particle, the single product is?
</span> <span>You're starting with 14/7 N, correct?
An alpha particle is two protons, two neutrons, which is 4/2, correct?
</span><span>So I</span> think the answer to your question is the third one which is <span>c. 18/9 f </span>