Na(+)(in) + diphosphate + H2O <=> Na(+)(out) + 2 phosphate + H(+)
na(+)(in) + diphosphate + h2o <=> na(+)(out) + 2 phosphate + h(+)
Na(+)(in) + diphosphate + H2O <=> Na(+)(out) + 2 phosphate + H(+)
na(+)(in) + diphosphate + h2o <=> na(+)(out) + 2 phosphate + h(+)