Chemistry, 28.01.2020 04:31 autumn8668
Which of the following conversions does the value of the conversion factor depend upon the formula of the substance?
a. moles of any substance to number of particles.
b. mass of any substance to moles.
c. volume of gas (stp) to moles.
d. density of gas (stp) to molar mass.
Answers: 3
Chemistry, 21.06.2019 14:10
The rock in a lead ore deposit contains 89 % pbs by mass. how many kilograms of the rock must be processed to obtain 1.5 kg of pb?
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The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a
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The following reaction shows sodium carbonate reacting with calcium hydroxide. na2co3 + ca(oh)2 → naoh + caco3 how many grams of naoh are produced from 20.0 grams of na2co3? (molar mass of na = 22.989 g/mol, c = 12.01 g/mol, o = 15.999 g/mol, ca = 40.078 g/mol, h = 1.008 g/mol) 12.2 grams 15.1 grams 24.4 grams 30.2 grams
Answers: 2
Which of the following conversions does the value of the conversion factor depend upon the formula o...
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