Answer:
2-4 mm height of capillary tube.
Explanation:
Sample should be around 2-4 mm in height.
It should be packed well so that it does not have air packets that caues the lowering of melting point.
If you take greater amount, then there will be needed more heat, resulting a wide range of melting point.
Answer:B
Explanation:
omplementary colors are two opposing colors that can be found on the color wheel.
Answer:
The answer is
<h2>13.84 %</h2>
Explanation:
The percentage error of a certain measurement can be found by using the formula

From the question
actual volume = 22.4 L
error = 22.4 - 19.3 = 3.1
The percentage error is

We have the final answer as
<h3>13.84 %</h3>
Hope this helps you