Which of these is a mixture?

salad

sugar

water

potassium

You have a solution with 2.52 moles of isopropanol (C3H8O). The solution weighs 521 grams. What is the percent composition of isopropanol in the mixture?

What is the Phorgum?

A 4.10 - g sample of a mixture of CaO and BaO is placed in a 1.00-L vessel containing CO2 gas at a pressure of 735 torr and a temperature of 26 ∘C. The CO2 reacts with the CaO and BaO, forming CaCO3 and BaCO3.

The density of a 56.0% by weight aqueous solution of methanol (CH3OH) is 0.9046 g/cm3. What is the molarity of the solution? 16.8 16.4 17.0 15.1 15.8

What is the electron configuration for a neutral potassium atom

An object in motion will cause which of the following?

When a solution of barium nitrate and a solution of copper (II) sulfate are mixed, a chemical reaction produces solid barium sulfate, which sinks to the bottom, and a solution of copper (II) nitrate. Suppose some barium nitrate is dissolved in 120.

A transformer has a primary voltage of 115 V and a secondary voltage of 24 V. If the number of turns in the primary is 345, how many turns are in the secondary? A. 1,653 B. 690 C. 72 D. 8

What solid contains two types of bonds? A.) Iodine B.) Silicon (IV) Oxide C.) NaCl D.) Zinc

An atom of calcium has 2 valence electrons and an atom of sulfur has 6 valence electrons how many lone pairs of electrons are present in the lewis structure of calcium sulfur