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geniusboy [140]
3 years ago
8

Wich scientist is credited with developing the first scientific atomic theory

Chemistry
1 answer:
Fantom [35]3 years ago
8 0

Answer:

john dalton

Explanation:

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When in contact with hydrochloric acid, which mineral gives off bubbles of carbon dioxide gas?.
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List the metric ladder from largest to smallest.
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3 years ago
An oxide of trivalent metal contains 32% of oxygen. Calculate the atomic mass of the metal.​
jekas [21]

The atomic mass of the metal.(M) = 51 g/mol

<h3>Further explanation</h3>

Given

32% of oxygen

Required

the atomic mass of the metal.​

Solution

An oxide of trivalent metal : M₂O₃(Ar O = 16 g/mol)

The molar mass of metal oxide = 2M+16.3=2M+48

32% of oxygen, then :

32% x 2M+48 = 48

0.32(2M+48)=48

0.64M+15.36=48

0.64M=32.64

M=51

4 0
3 years ago
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