Westonci.ca offers quick and accurate answers to your questions. Join our community and get the insights you need today. Discover a wealth of knowledge from experts across different disciplines on our comprehensive Q&A platform. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

a An imaginary element 2 has two isotopes. 30% of its atoms have a mass of 45. The rest have a mass of 48. Calculate its Ar