For every 4 hours that alexa babysit her younger sister, her mom pays her $50
a)how much does alexa makes per hour?

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?

Use the periodic table to determine how many grams of oxygen would be required to react completely with 859.0 g c2h2