(s)+2NaCl(ac)start color #1fab54, start text, B, a, C, l, end text, start subscript, 2, end subscript, end color #1fab54, left parenthesis, a, c, right parenthesis, plus, start color #ca337c, start text, N, a, end text, start subscript, 2, end subscript, start text, S, O, end text, start subscript, 4, end subscript, end color #ca337c, left parenthesis, a, c, right parenthesis, right arrow, start color #1fab54, start text, B, a, end text, end color #1fab54, start color #ca337c, start text, S, O, end text, start subscript, 4, end subscript, end color #ca337c, left parenthesis, s, right parenthesis, plus, 2, start color #ca337c, start text, N, a, end text, end color #ca337c, start color #1fab54, start text, C, l, end text, end color #1fab54, left parenthesis, a, c, right parenthesis