Molarity of 11.0 l of a 2.8 m ca(oh)2 solution? ?

Number of moles = concentration*volume

divide volume by 1000 before calculating to convert it into dm3

If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom

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