Which has more mass, 2 kg of steel or 5 kg of feather.

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What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

If the theoretical yield of a reaction is 26.0 grams and you actually recovered 22.0 grams, what is the percent yield?