Answer:
calcium ca
Explanation:
We can see here that the only element that is on the same group (column) as Ba (Barium) is Calcium (Ca).
Answer: it will take 89.93secs
Explanation:Please see attachment for explanation
Use M x V = M' x V'
0.300 x V = 0.100 x 250
V = .......... ml
Answer:
Calcium sulphate is the right answer for this question.
It is because calcium sulphate helps to obtain the hardness in water. hardness.
The presence of this resource is a main reason for permanent hardness.
Hard drinking water has moderate health benefits, but can pose serious problems for the industrial settings.
Explanation:
B. carbon because it's atomic number is 6
