Answer:
40%
Explanation:
The efficiency of a plant is determined by

Our produced energy is

While the input energy can be calculated

So, the efficiency of plant is

or 40% efficient
% mass of a solution is the mass of the solute present per 100 g of solution. It can be calculated using the formula,

Mass of solute = 4.92 g
Mass of solvent, water = 347 g
Total mass of solution = 347 g + 4.92 g = 351.92 g
Mass % of the solute = 
Therefore, the weight/weight % = 1.398 %
if you are looking for the correct way to answer it the answer is 12 found it while taking a test but got it wrong the first time teacher helped
Answer: It's a civil engineer
Explanation:
I don’t know this, so I did research, so here! This is from a website called “Quora”, btw!
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