pls help!! A 24.0 mL sample of HNO3 is neutralized by 32.1 mL of 0.150 M KOH. What is the molarity of HNO3? Report your answer with 3 significant figures.

O.2006 M

Explanation:

M1V1 =M2V2

M1 = M2V2/V1 =0.150M*32.1 ml/24.0 ml = 0.2006 M

pure substance: iron,copper

impure substance: water,charcoal

the leaf is an organ of a typical plant, and the main functions are to complete photosynthesis and allow the plant to exchange gas, just like how we have the respiratory system. leaves have the stomata, which collects maintains co2 and o2 levels. this is necessary for cell metabolism. the leaf also collects sunlight using chloroplasts. succinctly, leaves own a pivotal role in sustaining plant life.