The molarity of a sodium hydroxide solution is 0.2 M. The molar mass of NaOH is 40 g/mol. If 20 g of sodium hydroxide (NaOH) is dissolved in water in this solution, what is the volume of the solution? A) 0.4 L B) 0.25 L C) 4.0 L D) 2.5 L

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Is this a single replacement reaction or there is no

Astream of surface water reaches a porous portion of sediment and seeps into the ground. this water eventually joins a large reservoir of water located beneath the earth's surface. the example above describes the interacting with the a. cryosphere; biosphere b. hydrosphere; biosphere c. hydrosphere; geosphere d. cryosphere; geosphere