A student investigated the rate of reaction between calcium carbonate and dilute hydrochloric acid. The volume of carbon dioxide gas produced was recorded over 8 minutes.
| Time in minutes | Volume of carbon dioxide in cm3\text{cm}^3cm3 |
|---|---|
| 0 | 0 |
| 1 | 24 |
| 2 | 42 |
| 3 | 54 |
| 4 | 62 |
| 5 | 68 |
| 6 | 72 |
| 7 | 75 |
| 8 | 75 |
Calculate the mean rate of production of carbon dioxide over the first 150 seconds150\text{ seconds}150 seconds, in cm3\text{cm}^3cm3 per second.
