If 100 atoms of element X contains 70 atoms of ⁹X and 30 atoms of ¹¹X, calculate the relative atomic mass of X

sisi baby

10 years ago

70*9=630/100=6.3 and 30*11=330/100=3.3 :.6.3+3.3=9.6

emmy333

10 years ago

someone should explain this to me

Oluwadamilola Elizabeth

2 years ago

WAEC GCE Nov/Dec 2023 - Practice for Objective & Theory - From 1988 till date, download app now - 4395
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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If 100 atoms of element X contains 70 atoms of 9X and 30 atoms of 11X, calculate the relative atomic mass of X
A. 9.6
B. 10.6
C. 11.6
D. 20.0

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