Chlorine is prepared in the laboratory by treating manganese dioxide (`MnO_2`) with aqueous hydrochloric acid according to the reaction:
`4HCl(aq) + MnO_(2)(s) to 2H_(2)O(l) + MnCl_(2)(aq) + Cl_(2)(g)`.
How many grams of HCI react with 5.0g of manganese dioxide?

Explanation

To find out how many grams of hydrochloric acid (HCl) react with 5.0 grams of manganese dioxide (MnO₂), we will follow these steps:

### Step 1: Calculate the molar mass of MnO₂
- The atomic mass of manganese (Mn) is approximately 55 g/mol.
- The atomic mass of oxygen (O) is approximately 16 g/mol.
- Since there are two oxygen atoms in MnO₂, we calculate the total mass of oxygen as:
\[
2 \times 16 = 32 \text{ g/mol}
...