2 Na(+)(in) + phosphate(in) => 2 Na(+)(out) + phosphate(out)
2 na(+)(in) + phosphate(in) => 2 na(+)(out) + phosphate(out)
2 Na(+)(in) + phosphate(in) => 2 Na(+)(out) + phosphate(out)
2 na(+)(in) + phosphate(in) => 2 na(+)(out) + phosphate(out)