"Hmotnost tří litrů vody známe."

Translation:We know the mass of three liters of water.

January 21, 2018

2 Comments


https://www.duolingo.com/IngridLind18

How am I supposed to know that you want mass instead of weight here?

January 21, 2018

https://www.duolingo.com/VladaFu
Mod
  • 20
  • 12
  • 10
  • 10
  • 7

Hard to say, what should be accepted, but "hmotnost" is the official name of the physical quantity (with kg as one of the basic units of the SI system), "váha" is colloquial. The same holds for "mass" and "weight".

January 22, 2018
Learn Czech in just 5 minutes a day. For free.