Which compound would make a saturated solution if 200 grams were dissolved in 100 grams of water at 90 degrees Celsius?

KNO3

Sugar

NaBr

KCl

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!