Answer: 127 (3.s.f)
Explanation:
Boyle's law states that Volume x pressure = constant
Therefore let's first find the constant: 45 x 1900 = 85500
Then lets plug 675 ml and 85500 into the equation above:
675 x C = 85500
C = 127 (3 s.f.)
Answer:
The answer is "
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Explanation:
Please finds the complete question in the attached file.


The mass of acetone to be weighed is 
Yes, and no. We all should know by know we do need the sun to survive, but we also need for energy is oxygen and the food we eat.