You mix 245.0 gallons of a mixture containing 4.00 wt% nacl (sodium chloride) and 96.00 wt% water (solution density = 1.0253 g/cm3) with a v2-gallon solution that is 20.00 wt% nacl and 80.00 wt% water (solution density = 1.1453 g/cm3). you want to produce a mixture containing 19.00 wt% nacl. what is v2 in gallons?

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

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

Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?