Question

's Grades for Samantha Barney arney Course Home x rseld-15576593&OpenVellumHMAC-79cc9b21b48d717450440e642b465ce3#10001 The Best Discount. O Where the Locals.. Dow achings of Presi Get Started with I. Online Grocery Pri.. Razor Scooters, El. httpsapps.azdot... Come, Follow Me <Homework Ch. 6 Problem 6.61 How many grams are present in a 0.090 mol samplee of each of the following compounds? Part A Aluminum sulfate, Al (SOa) Express your answer using two significant figures. VOAED ? Request Answer Submit

Answer 1

At first we have to calculate the molar Mass of the sample. Then we can calculate how much grams are present in the 0.090 mol of the sample.

Question Answer rooms How many are present in a ooogo mol sample of Alo (54) » - First calenlate the Molano mass of Al₂(SO4)2. IR Al₂(SOA), two 'Al-atom 3 's ratom 12 'o'-atom Molar mass o f 'Al Alom = 27 g/mol is a 41 atom = (27 x2) - 517 • Mober mass of 's'-atom = 32 g/mol i 3 isatom = (32 * 3) = 969 Molan mass of 'o'-atom a ...12 'aten = (16 X12) = 1929 i Molare mass of Aly(500); = (59 +96 +192 g/mol = 342 glmal is; 1 mol Al2(54)3 = 342 g My (59); :. 0.090 mol Al 504)- (342 x0.090) g 12, 19), = 30.78 g 30.78 g are sample of Ab (S) present in a ongo mol