Given the following equation Zn(s) + HClaq) > ZnCl2(s) + H2(g)
How many grams of zinc (Zn) are needed to produce 250
grams of hydrogen (H2) ?

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83

Why are people not able to skip a dive to the deepest part of the ocean