(Review Topics] [Refe Use the References to access important values if neede A compound is found to contain 40.05 % sulfur and 59.95 % oxygen by mass. What is the empirical formula for this compound? To answer the question, enter the elements in the order presented above. Submit Answer Retry Entire Group 2 more group attempts remaining

Use the References to access important values if needed for this question. How many grams of Zn are there in a sample of Zn that contains 4.33x1023 atoms? grams Submit Answer Retry Entire Group 9 more group attempts remaining Previous Next

Important values if needed for ti A compound is found to contain 3.622 % carbon and 96.38 % bromine by mass. What is the empirical formula for this compound? To answer the question, enter the elements in the order presented above. Submit Answer Retry Entire Group 4 more group attempts remaining

Suppose you’re giving the mass of each element in a compound sample . To calculate the empirical formula start by A)Converting the mass of each element to moles B)Predicting the charge of each element C)Calculating the ratio between the element masses Using A)Subscripts in the compounds formula B)Their position on the periodic table C)Each elements molar mass Then A)Calculate the ratio between the elements B)Convert the mass of the compounds to moles C) Calculate the molar mass of the compound By A)Add in the molar mass of each element multiplied by it subscript B)Using the charges to find the ratio necessary for a neutral formula unit C)Divide the moles of each element by the smallest number of moles present

There are 1.2 x 1024 atoms of carbon in a sample of aluminum acetate, AI(C₂H3O2)3 How many moles of Al are in the sample? [?moles Al national Academy of Science. All Rights Reserved. St Hint: What is the ratio of carbon to aluminum in the formula? moles aluminum F4 % 5 A 6 * 8 & 7 * 8 Enter Home

8. Question: Hint: Chapter: 1 Lesson: 2 How many carbon atoms are in 3.2 moles of graphite (a solid form of carbon)? Assume that 3.2 moles of graphite is the same as saying 3.2 moles of C atoms.

Determine the mass percent STRONTIUM in SrNO) be sure to Ishow Show Molar Mass calculation' seperctelp formula.

Complete the table below for calculating the molar mass of the compound boron trifluoride. B F Use the References to access important values if needed for this question. Molar mass of element Submit Answer g/mol X g/mol X Retry Entire Group Moles mol mol II = Molar mass boron trifluoride = 9 more group attempts remaining Mass in one mole of boron trifluoride g/mol g 9 14 Next

[Review Topics] [References] Use the References to access important values if needed for this question. a. How many grams of C are present in 4.16 grams of carbon tetrachloride? Mass= g C b. How many grams of carbon tetrachloride contain 2.12 grams of Cl? Mass= g carbon tetrachloride Submit Answer Retry Entire Group 9 more group attempts remaining

Question 33.