Calculate the molality of a 35.4% (by mass) aqueous solution of phosphoric acid, H3PO4 (molar mass = 98 g/mol).​

In france, grapes are 1.95 euros per kilogram. what is the cost of grapes, in dollars per pound, if the exchange rate is 1.14 dollars/euro? (2.6)

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.

Are oil and water a mixture or solution