Molar mass stoichiometry
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Molar Mass & Stoichiometry. What is the Molar Mass of Mg(OH) 2 ?. 41.32 g/mole 42.33 g/mole 58.33 g/mole 827.03 g/mole Not listed. What is the Molar Mass of H 3 PO 4 ?. 47.98 g/mole 95.96 g/mole 98.00 g/mole 196.00 g/mole Not listed.

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What is the molar mass of mg oh 2
What is the Molar Mass of Mg(OH)2 ?

  • 41.32 g/mole

  • 42.33 g/mole

  • 58.33 g/mole

  • 827.03 g/mole

  • Not listed


What is the molar mass of h 3 po 4
What is the Molar Mass of H3PO4?

  • 47.98 g/mole

  • 95.96 g/mole

  • 98.00 g/mole

  • 196.00 g/mole

  • Not listed


Convert 125 25 g of sulfur s 8 mm 256 56 g to moles
Convert 125.25 g of Sulfur (S8) (MM = 256.56 g) to moles.

  • 0.48819 moles

  • 3.9055 moles

  • 4.4588 moles

  • 157.32 moles

  • 4016.8 moles

  • Not listed


Convert 3 75 moles of baso 4 to grams mm 233 4 g
Convert 3.75 moles of BaSO4 to grams.(MM = 233.4 g)

  • 875 g

  • 233.40 g

  • 62.2 g

  • 0.0161 g

  • Not listed


Convert 2 50 moles of kcl mm 74 55 g to molecules
Convert 2.50 moles of KCl (MM = 74.55 g) to molecules.

  • 4.15 x 10-24molecules

  • 1.51 x 1024 molecules

  • 6.02 x 1023 molecules

  • 6.78 x 1025 molecules

  • Not listed


Convert 70 0 g of libr mm 86 84 g to molecules
Convert 70.0 g of LiBr (MM = 86.84 g) to molecules.

  • 7.47 x 1023 molecules

  • 4.21 x 1025 molecules

  • 3.65 x 1027molecules

  • 4.85 x 1023molecules

  • Not listed



Given the reaction 2 pbs 3 o 2 2 pbo 2 so 2 239 27 32 00 223 20 64 07 g mole
Given the reaction2 PbS + 3 O2 2 PbO + 2 SO2239.27 32.00 223.20 64.07 g/mole

  • 261.6 grams

  • 116.3 grams

  • 174.4 grams

  • 223.2 grams

  • 186.9 grams

  • Not listed

25.00 g of O2 will yield how many grams of PbO?


Given the reaction 4 al 3 o 2 2 al 2 o 3 26 98 32 00 101 96 g mole
Given the reaction4 Al + 3 O2 2 Al2O326.98 32.00 101.96 g/mole

  • 920 grams

  • 6200 grams

  • 460 grams

  • 61 grams

  • 230 grams

  • Not listed

4.5 moles of Al will yield how many grams of Al2O3?


Given the reaction 2 c 6 h 14 19 o 2 12 co 2 14 h 2 o 86 20 32 00 44 01 18 02 g mole
Given the reaction2 C6H14 + 19 O2 12 CO2 + 14 H2O86.20 32.00 44.01 18.02 g/mole

  • 5.9354 x 1026 molecules

  • 8.4792 x 1025 molecules

  • 1.2113 x 1025 molecules

  • 6.8856 x 1024 molecules

  • 2.8812 x 10-21 molecules

  • Not listed

140.85 grams of C6H14 will yield how many molecules of H2O?


Percent composition empirical formulas molecular formulas

Percent Composition,Empirical FormulasMolecular Formulas


What is the mass of lead in pbo 2
What is the % mass of lead in PbO2?

  • 86.62%

  • 92.83%

  • 13.37%

  • 6.69%

  • 13.37%

  • Not listed


What is the mass of cu in cu 2 s
What is the % mass of Cu in Cu2S?

  • 66.46%

  • 39.93%

  • 79.85%

  • 20.14%

  • 33.54%

  • Not listed


What is the mass of nitrogen in ba no 3 2
What is the % mass of nitrogen in Ba(NO3)2?

  • 5.36%

  • 10.72%

  • 16.08%

  • 47.45%

  • 23.73%

  • Not listed


What is the mass of oxygen in 54 g of h 2 o
What is the mass of oxygen in 54 g of H2O.

  • 47.94 g

  • 16.00 g

  • 6.05 g

  • 3.02 g

  • Not listed


A compound is found to contain 53.70% iron and 46.30% sulfur. What is the empirical formula of this compound?

  • FeS

  • FeS2

  • Fe2S3

  • Fe3S2

  • Not listed


A compound contains 4 04 g of n and 11 46 g of o what is the compound s empirical formula
A compound contains 4.04 g of N and 11.46 g of O. What is the compound’s empirical formula?

  • NO

  • N2O7

  • N5 O2

  • N2O5

  • Not listed


The molar mass of a compound is 283.89 g/mol. If the empirical formula is P2 O5, what is its molecular formula?

  • P4 O10

  • P4 O5

  • P10O50

  • P2O5

  • Not listed


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