How many grams of calcium chloride are required to make 20 grams of calcium hydroxide? CaCl2 + 2 NaOH → Ca(OH)2 + 2 NaCl

Drag each number to the correct location on the equation. each number can be used more than once, but not all numbers will be used. balance the equation with the coefficients. 2 3 4 5 kclo3 -> kcl + o2

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

Will mark brainliest how many electrons can be held in the energy level n = 4?