Answer:
5,844 grams of NaCl
Explanation:
Knowing the molecular weight 58,44 g/mole and saying 1 molar solution is 58,44 of NaCl in 1 liter of solution. 100 mL means 10% of the whole solution then we are going to have 10% of NaCl
58,44 x 0,1 = 5,844 grams of NaCl
dim? im not so fluent in this but i did research yesterday
Answer:
The reflection of sound waves
Explanation:
An echo is a reflection of sound that bounces of of one thing to another.
You are right, it's CA Calcium, 40.08, Group 2 and Row 4.
Those elements with similar properties are in the same column.