Current Attempt in Progress How many moles of H2 and N2 can be formed by the decomposition of 0.227 mol of ammonia, NH3? (a) H2 i mol (b) N2 i mol eTextbook and Media Save for Later Submit Answer Attempts: 0 of 15 used

soul2.hkuspace.hku.hk My Questions | bartleby https://soul2.hkuspace.hku.hk/pluginfile.php/4896177/mod_resource/content/4/HPH.. Inbox (4,444) - manhin1127@gmail.com - Gmail 11) The equation for the reaction is: H.SO,(aq) + 2 NaОН(аq) —Na,SO,(aq) + H,0(1) Calculate the concentration of the sulphuric acid. 3. You are given the following half equations: → NO, + H2O so3 + H,O → so,² + 2H* + 2e HNO3 + H* + e° (a) Does HNO3 undergo oxidation or reduction in the above half equation? Explain your answer. (b) (i) Write a balance equation for the reaction between HNO; and SO;. (ii) Give the expected observation in the above reaction.

Remaining Time: 1 hour, 01 minute, 47 seconds. * Question Completion Status: QUESTION 2 The number of water molecules in 2.3 mg of water is O 6.02 x 1023 O 77.0 x 1023 O 7.7 x 1023 O 7.7 x 1019 none of the above QUESTION 3 A ctudent makes a colution bu discolvina 254a ofNDOH int0 450 gof water Wh. Click Save and Submit to save and submit. Click Save All Answers to save all answer ere to search DELL

Question 3 of 15 Submit How many moles of H2SO. are required to completely react with 7.20 mol of Al according to the balanced chemical reaction: Al(s) + 3 H:SO(aq) → Al:(SO.):(aq) + 3 H2(g) STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 6.022 x 1023 7.20 3.60 342.14 2.02 21.6 98.08 2.40 26.98 2 10.8 1 g H2SO, g Al:(SO.)s mol Al:(SO.)s g H2 mol H2SO4 mol Al mol H2 g Al

JUNE AY 29 an active ingredient of Supp lements is iron II sulphate· One főm iron (a) what is nmass of %Fe in this compourol 30 NDAY

NAME: Hydrate Molar Mass of Anhydrous salt Molar Mass of nH₂O Molar Mass of Hydrate Percent Water in the Hydrate Ei 13 / 15 11 BaCl2 2 H₂O INSTRUCTOR: LAB INVESTIGATION 2 PROPOSAL Before you begin you will need to design an experiment for each unknown that includes alternative hypotheses, the test, and predictions. Complete the table and flow chart below. 208.23 g கேll 36.04 8 100% I CuSO4 5 H₂O 159.61 g MAKC "}}" ASUS VivoBook DATE: O SEC TION/ GROUP: CaCl2 2 H₂O 110.98 g ZnSO. • 7 H₂O 161.42 g