Answer:
The Answer is D. principle of original horizontally
50/35 = √x/ √31.9988 g
50 x (√31.9988/ 35) = √x
√x = 8.081...
x= 65.30...
x= 70 g/ mol
Answer:
There will 3.95 grams of Na2 and H2O that should be added to form a concentric required solution.
Answer: physical
Explanation: freezing and melting are physical changes.