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An atom has 15 protons, 15 electrons and 16 neutrons. What is the atomic number and mass number?
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If 10.g of agno3 is available, what volume of 0.25 m agno3 can be prepared
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Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m
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Marcel just purchased 1.69 grams of iron fillings in order to make living putty for his 6 year old niece. how many moles of iron are made in his sample?
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An atom has 15 protons, 15 electrons and 16 neutrons. What is the atomic
number and mass number?...
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