A cookie recipe calls for 200 g of sugar (C12H22O11 342 = molar mass). How many molecules of sugar are in the recipe?

In 2002, the rare earth elements mine in mountain pass, california was closed because

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³

Isopropyl alcohol, (ch3)2choh, is a common solvent. determine the percent by mass of hydrogen in isopropyl alcohol. a) 6.71% h b) 13.4% h c) 25.0% h d) 53.3% h