Formula of medical disinfection equipment

1. 1ppm is one in a million, and 200ppm is 200 ml of stock solution and 200 million ml (200,000 kg) of water.

2.3 (unknown), 4 1.5 million kg, 5.625000ppm, 7. The higher the concentration, the shorter the time. 8. Used together, 9 (citric acid? Forgot)

10. No,11.0.05g (ml).

{1ppm= one in a million, 1kg = 1000ml (purified water). }