Chemistry, 31.03.2021 23:10 laurydamas2002
Express the following quantity in scientific notation. The answer needs to have the correct number of significant figures.
21,300,000 mL
2.13 x 10 7 mL
2.13 x 10 6 mL
2.1 x 10 7 mL
0.213 x 10 7 mL
Answers: 3
Chemistry, 21.06.2019 23:10
Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.
Answers: 1
Chemistry, 22.06.2019 16:30
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
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Chemistry, 22.06.2019 19:00
Structure of the atoms: discovery of the nucleus in 1909i need answering all of these questions
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Express the following quantity in scientific notation. The answer needs to have the correct number o...
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