Why are quantitative analytical methods based on NIR radiation often more precise and accurate than methods based on mid-IR radiation

The number at the end of an isotope’s name is the number.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

Two nails have identical sizes and shapes. in one nail, 20 percent of the domains are lined up. in the other nail, 80 percent of the domains are lined up. which has stronger magnetic force? first answer gets brainliest!