<u>Answer:</u> The volume of concentrated solution required is 42 mL
<u>Explanation:</u>
To calculate the molarity of the diluted solution, we use the equation:

where,
are the molarity and volume of the concentrated solution
are the molarity and volume of diluted solution
We are given:

Putting values in above equation, we get:

Hence, the volume of concentrated solution required is 42 mL
Answer:
1/45 or 0.0222 g/s
Explanation:
rate of reaction = quantity of reactant used/time taken
= (10-8)/90
= 1/45 or 0.0222 g/s
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Answer: 5.5 7.5 102
Explanation: using the equation above you can get these %s
Answer: NO2, NO, and O2.
<span>Free radicals are toxic substances produced by the body. In normal circumstances,the body can neutralize but<span>
when the level of these substances is to much,they accumulate
and can generate diseases,
such as osteoporosis and cancer.</span></span>