Chemical equation of aluminum and hydrochloric acid
How to balance the chemical equation of aluminum and hydrochloric acid?
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A mini license plate for a toy car must consist of three numbers followed by a letter. Each number must be a 3,6, or 9. Each letter must be a T or R. Repition of digits is Not permitted. Use the counting principle to determine the number of points
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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?
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?
Question: The data set represents the income levels of the members of a country club. Estimate the probability that a randomly selected member earns at least $98,000.
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