In October 2012, Microsoft released a new version of Microsoft Office Mobile for Windows Phone 8 and Windows Phone 7.8. This was followed up by the release of Office Mobile for iPhone on 14 June 2013, and Office Mobile for Android phones on 31 July 2013.
That's an easy number to work with, so let's use it. 20 drops/milliliter = 20,000 drops/liter =1,000,000 drops / 50 liters. That means one part per million is the same as one drop of a substance in a million drops, or 50 liters, of water.
How many fluid ounces US of volume and capacity system are in 1 liter? The answer is: The change of 1 l (liter) unit for a volume and capacity measure equals = into 33.81 fl oz (fluid ounce US) as per its equivalent volume and capacity unit type measure often used.