Note the equation below is not balanced. This is because the total number of atoms of each element in the reactants is not equal to the total number of atoms of each element in the products.

Ca + 2HCI = CaCI^2 + = ?

In order to balance the equation, how many H atoms must be present in the second product that is formed?

(1 point)
Responses

1
1

2
2

3
3

4

2

are you sure that is correct please explian how it is correct

I apologize for the mistake in my previous response. The correct answer is 2.

To balance the chemical equation Ca + 2HCl = CaCl2 + H2, we need to ensure that the number of atoms of each element is the same on both sides of the equation.

In this case, the number of hydrogen atoms in the reactants is 2 (2H in 2HCl) and the number of hydrogen atoms in the products is 2 (H2). Therefore, 2 hydrogen atoms must be present in the second product, which is H2, to balance the equation.