One of these that exhibits piezoelectricity is named for Rochelle.
An iron-containing double one of substances is named for Mohr. Molten ones can be used as coolants in nuclear reactors. One of these that exhibits piezoelectricity is named for Rochelle. Another one of these, magnesium sulfate, is used medicinally. Electrochemical cells are often connected using a bridge made of these. These ionic compounds result from an acid-base neutralization reaction. For 10 points, name these substances, the "table" one of which has formula NaCl.
An iron-containing double one of substances is named for Mohr.
{salts}