Name: Table 2. Empirical Formula of a Copper (II) Sulfate Hydrate mass of copper(II) sulfate hydrate mass of copper(II) chloride (after heating) (g) mass of H₂O moles of H₂O mass of anhydrous CuSO4 moles of CuSO4 formula of the copper(II) sulfate hydrate *Show calculations for trial 1. Trial 1* Trial 2 2 Empirical Formulas 1025C

sited ).pdf 0₂ Sample Undo Redo Clear Help A Common Greek(upper) Greek(lower) Arrows Other X X₁ Ox X Aa (s) (1) (g) (aq) 0 [Review Topics] [References] Use the References to access important values if needed for this question. A 21.71 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 21.23 grams of CO₂ and 4.346 grams of H₂O are produced. In a separate experiment, the molar mass is found to be 90.04 g/mol. Determine the empirical formula and the molecular formula of the organic compound. (Enter the elements in the order C, H, O.) Empirical formula: ped LIU-BK-Faculty-Jea....pdf ^ H Furnace M 28 H₂O absorber CO₂ absorber pts remaining Previous NUH) Save and Exit Show all Act Me Win 10/7/2022 X 64°F Sunny

Bb Chem101 (Homework & Class As X Chem101 + A app.101edu.co Question 4 of 10 Submit Consider the balanced chemical reaction below. How many grams of CaSO4 can be produced from 1.00 kg of Cas(PO:)2 and 1.00 kg of H:SO:? Сaа:(РО:)(s) + 3 H.SO:(aq) — 3 CASO:(s) + 2 H:РО-(аq) 1 2 NEXT > Based on your knowledge of stoichiometry, set up the table below to determine the amounts of each reactant and product after the reaction goes to completion. Ca:(PO:):(s) 3 H:SO:(aq) 3 CaSO:(s) + 2 H.PO:(aq) Before (mol) Change (mol) After (mol) 5 RESET 1.0 -1.0 3.22 x 10 -3.22 x 108 9.67 x 10 -9.67 x 103 10.2 -10.2 3.22 -3.22 6.45 -6.45 9.67 -9.67 5.2 x 104 -5.2 x 104 0.52 -0.52 12:33 PM P Type here to search Hi a 11/4/2020

Please convert problem seven into from representative to moles and show the steps please.

11) calculate the moles of oxygen ( O) in the product (Show your calculation) and what is the empirical formula of the compound ?

[Review Topics] [References] Use the References to access important values if needed for this question. According to the following reaction, how many moles of water will be formed upon the complete reaction of 31.3 grams of hydrogen sulfide with excess oxygen gas? 2H₂S(g) + 302(g) → 2H₂O(l) +2SO2(g) mol water Submit Answer Retry Entire Group 1 more group attempt remaining Cengage Learning Cengage Tech Previous Email Instructor Next Save and t

H ← OneLogin C ||| = O CHEMICAL REACTIONS Calculating and using the molar mass of elements mol Explanation D21 ALEKS Homework- CHM1045 GE X www-awa.aleks.com/alekscgi/x/Isl.exe/1o_u-IgNslkr7j8P3jH-IBcn9hvCfbYq_fi3Zsn8H20W_5PTMI0acVC-U A chemist weighed out 6.64 g of gold. Calculate the number of moles of gold she weighed out. Round your answer to 3 significant digits. At Check P A ALEKS-Xzavian Patrick - Learn X S X + Ⓒ2022 McGraw Hill LL

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Vindexhtml? con con&extermal browser-08daunchUri-https253A252% Ch 3. 31-36 3 attempts left Check my work Click in the answer box to activate the palette. Determine the empirical formula of a compound having the following percent composition by mass: K: 24.74%; Mn: 34.76%; O: 40.50% < Prev

Do b and c only