We have given,
Mass percent of iron (Fe) =69.9%
Mass percent of oxygen (O)=30.1%
Number of moles of iron present in the oxide =69.90/55.85 =1.25
Number of mole
(Click on this link to know the detailed answer)
(Get CBSE Board Textbook Solutions for all subjects from Class 9 to 12. You can also get CBSE Board's previous year's solved papers from here! You can get online resources for Book Store, Test Series, Prepare Assignment and Previous Year Solved Papers for free! This is an organization related to the education sector. That's why you should not waste your precious time and join Zigya, where many other study materials related to education are available for free.)
(You can also prepare for SSC. You can also take the SSC Exam, and find the SSC Resource Centre! You can get online resources for NEET, NEET Previous Year Solved Papers, and JEE, JEE Previous Year Solved Papers for free!)https://www.zigya.com/

---

silver exchange demo id
Embark on a risk-free journey into the thrilling universe of fantasy cricket with Silver Exchange's Demo ID. Discover the ins and outs of virtual sports without any financial commitment by following our simple guide to access your Silver Exchange Demo ID. Start by opening your web browser and navigating to the official Silver Exchange website. Look for the Demo ID or Free Trial option on the homepage, and with a simple click, initiate the process of acquiring your Demo ID.
Fill in the required basic information, which may include your name and email address, to create your Demo ID. Confirm your agreement to the terms and conditions, and your Demo ID will be generated. Dive into the Silver Exchange platform with your Demo ID, where you can explore player statistics, join simulated matches, and experiment with team-building strategies. This risk-free experience allows you to familiarize yourself with the platform's features before fully committing. Enhance your understanding of fantasy cricket dynamics and refine your gaming strategy on Silver Exchange's Demo ID. Seize the opportunity to enjoy the excitement of virtual sports with no financial obligation. Start your fantasy cricket journey today by accessing your Silver Exchange Demo ID!