How many milliliters of a 5.0 M H2SO4 stock solution would you need to prepare 100.0 mL of 0.25 M H2SO4?

What is the chemical formula of the following compound

Word equation for k+ h2o yield koh + h2

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!