Calculate the percentage by mass of all the component elements in' sodium
tetraoxosulphate (VI); (Na = 23, S = 32, O
= 16)​

Find the empirical formula of each of the following compounds. given mass or for each element in a sample of the compound 3,611 g ca; 6.389 g c1

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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)