45.7 g of magnesium chloride (MgCl2) is dissolved in 2.40 kg of water. How many kg of solvent would contain 0.0150 moles of MgCl2?

a) 0.070 kg of solvent
b)0.020 kg of solvent
c) 0.050 kg of solvent
d) 0.0750 kg of solvent

Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5

Ajet plane is speeding down the runway during takeoff. air resistance is not negligible. identify the forces on the jet.

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive