How many moles of sugar, C12H22O11, are in 52 mL of a 0.50 M solution?

What is the percent composition of NiO if a sample of NiO with a mass of 41.9grams contains 33.1 g Ni and 8.8 O

Explain how two compounds can have the same percentage composition but different molecular masses?

What evidence did dalton have that atoms actually exist?

Which of the following 0.5 M aqueous salt solutions will have a pH of 7.0 at LiF RbBr NaClO4 NH4Cl A) LiF only B) NaClO4 only C) LiF and RbBr D) RbBr and NaClO4

What temperature scale must always be used to specify temperature when it is used in a gas law calculation?

What can the student predict if she finds the mass of the whole candy bar, including the wrapper?

A hardware salesman measures the mass of a box containing 1000 washers. The mass is 1.1298kg. What is the mass of a single washer in milligrams? Write your answer as a decimal.

according to the law of conservation of, the number of atoms in the products of a chemical and equation must be balanced with the number of atoms in the reactants

whats the specific heat of an unknown substance if the addition of 800 joules of heat energy caused a 30 gram sample to warm from 20 to 40 degrees celsius?

How much energy (in kj) is required to ionize 2.52 moles of hydrogen atoms?