What is the atomic mass of the element
1) Calculate the molar mass for each of the following.
(a) calcium sulfide, CaS
(b) calcium sulfate, CaSO4
(c) glycerin, C3H5(OH)3
2) For element X, 59.8 g corresponds to 2.6 moles. What is the atomic mass of the element?
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Calculate the number of particles in each of the following: 0.125 mole zinc atoms, Zn 0.125mole zn/ 1 mole x 65.39 zn = 8.17375 or 81.74 g zinc.
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A bag contains 4 red marbles, 3 blue marbles, and 7 green marbles. If a marble is randomly selected from the bag, what is the probability that it is blue.
Calculate the molar mass for each of the following: calcium sulfide, CaS. For element X, 59.8 g corresponds to 2.6 moles. What is the atomic mass of the element?
How to balance the chemical equation of aluminum and hydrochloric acid?
Roddey Corporation is a specialty component manufacturer with idle capacity. Management would like to use its extra capacity to generate additional profits.
Tri Fecta, a partnership, had sales revenues of $360,000 in its first year of operations. The partnership has not collected on $35,000 of its sales, and still owes $40,000 on $150,000 of merchandise they purchased.
Write at least three of them. How many moles of Al atoms are needed to combine with 0.565 mol of O atoms to make aluminum oxide, Al2O3?
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