Chemistry, 20.11.2020 03:10 doggosbepis
Which of the following statements about atomic mass is true? (help asap)
A. It represents the number of protons
B. It is the relative amount of mass of the element
C. It is the whole number used to numerically order the elements
D. It equals the number of electrons when the element is a neutral atom
Answers: 3
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How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate
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How many moles of sulfuric acid (h2so4) are needed to react completely with 6.8 moles of lithium hydroxide (lioh)? 2lioh + h2so4 → li2so4 + 2h2o a. 3.4 mol h2so4b. 6.8 mol h2so4 c. 10.2 mol h2so4 d. 13.6 mol h2so4
Answers: 3
Which of the following statements about atomic mass is true? (help asap)
A. It represents the numbe...
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