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I am Lyosha [343]
3 years ago
15

How many moles of water, H2O, contain 2.0×1022 molecules of water? (See the hints for assistance in interpreting scientific nota

tion.)
Chemistry
1 answer:
Lelu [443]3 years ago
8 0
 Avogadro Number of molecules is contained in 1 mole of water 

6.02 * 10²³ molecules are contained in 1 mole of water.

2 * 10²² molecules will contain:           (1* 2 * 10²²) / (<span>6.02 * 10²³)
</span> 
                                                         ≈ 0.0332 mole of Water.
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The kind of ionic compound formed is MX2.

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Element M electronic configuration is represented as  [core]ns2. The group in the periodic table this element belong to is group 2A . The element  group is called the alkaline earth metals family . Element M will behave as a cation when it bond with a non metal. Element M is a metal , therefore it will likely lose electron to form cations during bonding . The charge of element M is 2+. Element M is positively charged. Elements that belong to this group includes beryllium, magnesium, calcium, strontium, barium and radium.  Element M has 2 valency electrons.

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