Answer:
20.9%
Explanation:
- The percentage by mass of solution is given by dividing the mass of solute in grams by the mass of solution in grams then multiplying it by 100%.
% Mass of solution = mass of solute/mass of solution × 100%
= (27.0 g/ 129.0 g) × 100%
= 20.93%
= 20.9%
Answer:
B
the humidity is the % of water in the air and it is out of 100% of the air. so 10/100 is low
Ice starts to melt and turns into water as it melts
Heat can be absorbed or produced
Brass is an alloy, or a combination of two (or more) metals.
