i need help on these three questions!

ssentials Figure: Solutions Drag and drop each of the following expressions of solute amount with the correct definition. Drag the terms on the left to the appropriate blanks on the right to complete the sentences. 1. are units used for ions. Takes into account the charge on the ion and the number of charges. 2. The molecula mass of a substance expressed in grams is known as the 3. The is calculated by using the chemical formula of a substance. 4. is an expression of the number of molecules, without regard to their weight. 5. The weight of the solute belore it dissolves is known as its What pieces of information do you need to know in order to calculate the molecular weight of a substance? Select all that apply. the number of ions in each element the ionic charge of each element atomic mass of each element the number of atoms of each element. Drag and drop each substance so that it correctly matches with its molecular woight. You will need to use the periodic table of thi olemonis to answor this question. It can be found inside the back cover of the book. Drag the terms on the left to the appropriate blanks on the right to complete the sentences. Not all terms will be used