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Question Completion Status 1 points Save Answer Question 14 What is the molar ma

ID: 588772 • Letter: Q

Question

Question Completion Status 1 points Save Answer Question 14 What is the molar mass of MnICI04)4 154.38 g/mol 260.73 g/mol 346.37 g/mol 452.73 g/mol 2 points Save Answer Question 15 The molar mass of aluminum is 26.982 g/mol. Convert 0.0275 mol of aluminum to grams. Report your answer to three significant figures. If your answer is a decimal, include a zero to the left of the decimal point (ex. 0.234 g not 234 g 3points save Answer Question 16 How many grams of magnesium would contain the same number of atoms as 131.29 g of xenon? Report your answer to three significant figures 3 points Save Answer Question 17 Match each element with the number of moles contained within 1.00 gram of that element magnesium cadmium A. 0.00762 mol 8. 0.00890 mol C0.0411 mo xenon 0 n 838 3 5 7 8

Explanation / Answer

14)

Molar mass of Mn(ClO4)4 = 1*MM(Mn) + 4*MM(Cl) + 16*MM(O)

= 1*54.94 + 4*35.45 + 16*16.0

= 452.74 g/mol

Answer: 452.74 g/mol

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