买的消毒液有效浓度为40g/L-60g/L,配制成50ppm, 250ppm的浓度需要怎么配
问题描述：
买的消毒液有效浓度为40g/L-60g/L,配制成50ppm, 250ppm的浓度需要怎么配
答
50ppm用1000倍水,250ppm用200倍水
买的消毒液有效浓度为40g/L-60g/L,配制成50ppm, 250ppm的浓度需要怎么配
50ppm用1000倍水,250ppm用200倍水