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Chemistry

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Vern Kovacek

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Cards in this guide (7)
If 60.2 grams of Hg combines completely with 24.0 grams of Br to form a compound what is the percent composition of Hg in the compound

71.5 %

What information is needed to calculate the percent composition of a compound

The formula of the compound and the atomic mass of its elements.

Which of the following compounds has the lowest percent gold content by weight A AuOH B AuOH3 C AuCl3 D AuI3

A. AuOH lol not even close defiantly AuI3 100% sure

What does the molar mass of C7H16 and the molar mass of CaCO3 have the same number of

342.3

What net ionic equation describes the reaction when these solutions are mixed

The net ionic equation that describes the reaction when these solutions are mixed is the net summation. This is the net ionic equation for the chemical reaction.

What is the percent composition composition of chromium in BaCrO4

20.5%

Which combination of temperature and pressure correctly describes standard temperature and pressure or STP

0°C and 101 kPa

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