Tin(II) chloride dihydrate is also three-coordinate, with one water coordinated on to the tin, and a second water coordinated to the first. The main part of the molecule stacks into double layers in the crystal lattice, with the "second" water sandwiched between the layers. Tin(II) chloride can dissolve in less than its own mass of water without apparent decomposition, but as the solution is diluted, hydrolysis occurs to form an insoluble basic salt: Therefore, if clear solutions of tin(II) chloride are to be used, it must be dissolved in hydrochloric acid (typically of the same or greater molarity as the stannous chloride)
Wedding ring phrase of significance to the spouses. In many nations the engagement rings are plain while the bride's wedding ring commonly is bejeweled. Some customs include the wedding ring as the final of a series of gifts, which also may include the engagement ring, traditionally given as a betrothal present. This custom was practiced in ancient Rome and is possibly much older. In several traditions, the best man or maid of honour has the duty of keeping track of a couple's wedding rings and to produce them at the symbolic moment of the giving and receiving of the rings during the