Calculate the molar concentration of the br⁻ ions in 0.065 m mgbr2(aq).

Idon’t know how to solve this question

Match term definition ellipse a) diagonal cross section of a cylinder circle b) diagonal cross section through the widest part of a sphere sphere c) cross section parallel to the base of a cone great circle d) shape created when a semi-circle is rotated around the y-axis triangle e) perpendicular cross section of a cone

Which are forms of frozen water? check all that apply. dew frost hail rain sleet