If 45.8 grams of MgO are dissolved in 205 grams of water, what is the concentration of the solution in percent by mass? 4.48% MgO 18.3% MgO 22.3% MgO 28.8% MgO

A machine shop worker records the mass of an aluminum cube as 176g. if one side of the cube measures 4 cm, what is the density of the aluminum

How is steam different from water vapour

How do you find chemical formula?

Use the reaction 2NO 2 (g) = N 2 O 4 (g) to answer the following question: What does Le Châtelier's principle predict would happen to the equilibrium conditions if N2 O4 were added to the system?

When the temperature of air rises, the amount of water needed for saturation A. increases. B. decreases. C. stays the same. D. increases until it reaches a certain temperature, then drops.

What is the name of the product of the hydrogenation of 3,6,6-trimethyl-4-nonene?

Which of the following is the best name for SO3? a. sodium trioxide b. sulfur trioxide c. monosodium trioxide d. monosulfur trioxide

As a result of the interaction of 22 g of higher oxide of the element of the main subgroup of group IV with water, 31 g of acid was formed. Set the name of an unknown chemical element.

Determine the osmotic pressure of a solution that contains 0.048 g of a hydrocarbon solute (molar mass = 340 g/mol0

What problem would a person have if the nucleic acid in one of his or her cells were damaged?