Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Get quick and reliable solutions to your questions from a community of experienced professionals on our platform. Join our Q&A platform to connect with experts dedicated to providing accurate answers to your questions in various fields.

4
A graduated cylinder has a mass of 50 grams when empty. When 30 mL of water is added, the graduated cylinder has a mass of 120 grams. If a rock is added to the cylinder, the water level rises to 75mL and the total mass is now 250 grams. What is the density of the rock?