How many moles are present in 136 grams of MgCl2? 1.46 mol 1.43 mol 2.27 mol

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

What role does weathering have in shaping earth’s surface? a) it allows sediments to fall out of a medium. b) it sediments settle on a new surface. c) it breaks down older material into sediments. d) it transports sediments to a different location. will give brainliest, answer quickly.