Answer:
47.2%
Explanation:
Judging from the question given, the theoretical yield is 10g because the student had already made his/her calculation and was expecting to get the same result at the end of the experiment. But he could only get 4.72g from the experiment.
Now, The percentage yield can be obtain as follows
Experimental yield = 4.72g.
Theoretical yield = 10g
%yield = Experimental yield /Theoretical yield x100
% yield = 4.72/10 x100
%yield = 47.2%
Therefore, the percentage yield of the experiment is 47.2%
Answer:
B
Explanation:
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Answer:
<h3>The answer is 2.70 g/mL</h3>
Explanation:
The density of a substance can be found by using the formula
From the question
mass = 4.86 g
volume = final volume of water - initial volume of water
volume = 17.3 - 15.5 = 1.8 mL
So we have
We have the final answer as
<h3>2.70 g/mL</h3>
Hope this helps you
Answer is: A) The solution turns blue litmus to red.
Sulfuric acid (H₂SO₄) is a strong acid, it means that the solution of sufuric acid is more acidic (pH<7) than water (pH = 7).
Chemical dissociation of sulfuric acid in water:
H₂SO₄(aq) → 2H⁺(aq) + SO₄²⁻(aq).
When solution turns phenolphthalein pink, it means it is basic (pH>7).
Sulfuric acid has more hydrogen ions (H⁺) and less hydroxide ions (OH⁻) than water.
Answer:
1. The above description is of hydraulic gravitation separation method.