A sample of a pure substance is found to have a mass of 52.11 g. Water in the graduated cylinder has a volume of 12.5 mL. When the substance is placed in the water, it sinks and the volume of water and substance now reads 31.8 mL. What is the density?

Which type of reaction always has an element and a compound as reactants

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate