Astudent has 10 ml of a solution that might contain any or all of the following cations at 0.01 m concentrations: mn2+, ba2+, ag+ , and cu2+. addition of 10 ml of 1 m hcl causes a precipitate to form. after the precipitate is filtered off, 1 m h2so4 is added to the filtrate and another precipitate forms. what is the second precipitate

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest

An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample?