Please help me with tyhis problem and the right sig fig because I got as the molar of the compound 199.886 so I rounded to 200 and it was wrong so what is the correct mount of sig fig I should use? thanks A compound has the chemical formula CaX2, where X is an unknown nonmetal. Thepercent by mass of Ca in this compound is 20.05%. What is the molar mass of thecompound?g/mole.What is the nonmetal (write the element symbol)?

This are some rules of significant figure you should know-

Please help me with tyhis problem and the right sig fig because I got as the molar of the compound 199.886 so I rounded to 200 and it was wrong so what is the correct mount of sig fig I should use? thanks

Please help me with tyhis problem and the right sig fig because I got as the molar of the compound 199.886 so I rounded to 200 and it was wrong so what is the correct mount of sig fig I should use? thanks

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

A compound has the chemical formula CaX2, where X is an unknown nonmetal. The
percent by mass of Ca in this compound is 20.05%. What is the molar mass of the
compound?
g/mole.
What is the nonmetal (write the element symbol)?

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