<u>Answer:</u> The amount of white phosphorus is 0.0199 moles
<u>Explanation:</u>
To calculate the number of moles, we use the equation:
We are given:
Given mass of white phosphorus = 2.478 g
Molar mass of white phosphorus = 124 g/mol
Putting values in above equation, we get:
Hence, the amount of white phosphorus is 0.0199 moles
Answer: 200 j
Explanation:
Answer:
The answer is
The density of a substance can be found by using the formula
From the question
mass of liquid = 138 g
volume = 115 mL
The density is
We have the final answer as
Hope this helps you
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