50.0 grams of KCl is dissolved in water to make a 4.00 L
solution. What is the molarity of the solution? (Molar mass of
KCl = 74.5 g/mol) ___ M ( Round your answer to the
appropriate number of four significant figures)

Which is true of the reactants in this displacement reaction? fe + 2hcl fecl2 + h2 a. the reactants are located to the left of the arrow in the chemical equation. b. the reactants contain 1 iron atom, 2 hydrogen atoms, and 1 chlorine atom. c. the reactants are the atoms, molecules, or compounds formed in the reaction. d. the reactants have the same physical and chemical properties as the products.

When balancing a chemical equation:

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?