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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?

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
slide17
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
slide19
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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