Chemistry, 14.09.2021 06:40 Needalittlehelp

(b) The 1 kilogram mass consisted of 900 g platinum and 100 g iridium.
What was the ratio of platinum atoms to iridium atoms in the alloy?
Relative atomic masses (Ar): Pt = 195 Ir = 192
Tick (✓) one box.
0.99 :1.00
8.86 :1.00
9.00 :1.00
9.14 :1.00

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(b) The 1 kilogram mass consisted of 900 g platinum and 100 g iridium.
What was the ratio of...