1.09 moles of tin (Sn)
Explanation:
We have the following chemical reaction where tin chloride (SnCl₂) reacts with sodium (Na) to produce tin (Sn) and sodium chloride (NaCl):
SnCl₄ + 4 Na → Sn + 4 NaCl
Taking in account the chemical reaction, we devise the following reasoning:
if 1 mole of SnCl₂ will react with 4 moles of Na
then 2.34 moles of SnCl₂ will react with X moles of Na
X = (2.34 × 4) / 1 = 9.36 moles of Na
So, 2.34 moles of SnCl₂ will react with 9.36 moles of Na but we only have 4.36 moles of Na available. The limiting reactant will be Na. Knowing this we devise the following reasoning:
if 4 moles of Na produces 1 mole of Sn
then 4.36 moles of Na produces Y moles of Sn
Y = (4.36 × 1) / 4 = 1.09 moles of Sn
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limiting reactant
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Answer:
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Explanation:
Answer:
you can identify an unknown substance by measuring its density and comparing your results to a list of known densities. Density=mass/volume. Assume that you have to identify an unknown metal. You can determine the mass of the metal on a scale.
Answer:
Phenol red indicator.
Explanation:
- Phenol red indicator is an organic dye which works as an indicator in the pH range (6.8 - 8.4) for acid-base reactions.
<em>The color in acidic solutions is yellow and in basic solution is red.</em>
Answer:
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Explanation: