1) Which of the following is a property of matter that can be observed without changing thecomposition of the matter?
2 answers:
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Mole = 
Mass of Radium Hydroxide = 987g
Molar Mass of
= ((226) + (2 * 16) + (2 * 1))
= 260 g / mol
∴ Moles of <span> = </span>
= 3.796 mols
Mass of Radium Hydroxide = 987g
Molar Mass of
= 260 g / mol
∴ Moles of <span>
= 3.796 mols