3 years ago

What statement did louis pasteur confirm with his broth e

Biology

2 answers:

Lerok [7]3 years ago

7 0

Answer:

Pasteur observed that the broth in the straight-neck flask was discolored and cloudy, while the broth in the curved-neck flask had not changed.

rjkz [21]3 years ago

3 0

Answer:

Pasteur observed that the broth in the straight-neck flask was discolored and cloudy, while the broth in the curved-neck flask had not changed.

Explanation:

He concluded that germs in the air were able to fall unobstructed down the straight-necked flask and contaminate the broth. The other flask, however, trapped germs in its curved neck, preventing them from reaching the broth, which never changed color or became cloudy.

Hope this helps.

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A salt solution has a concentration of 200 g/L. How many grams of salt are contained in 500 mL of this solution?

noname [10]

Answer:

100g/500mL

Explanation:

1ml is .001 of 1 L

this means that per one ml, there is 200g*.001, or .2g/mL, or simply .2g.

now we multiply this by 500, for the 500ml we are calculating. 500*.2=100.

We can also skip these steps and take 200g*.5L, as 500mL is 1/2 liter. We get the same outcome, so the answer is 100g

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