A(n) is something that represents an idea or object to help people better understand it. theory

method

model

observation

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %

You are making a solution of calcium chloride dissolved in water. you add solid, stir, and it dissolves. you add just a spatula tip full, stir, and the solid does not dissolve. how could you describe the solutions before and after adding the spatula tip amount

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?