Calculating mole ratios

Given the reaction: 1 Li2C2O4 + 1 MgF2 ---> 2 LiF + 1 MgC2O4 What is the mole ratio of Li2C2O4 to MgF2?

• 1 mol of Li2C2O4 divided by 1 mol of MgF2

• 1 mol of MgF2 divided by 1 mol of Li2C2O4

• 2 mol of LiF divided by 4 mol of MgC2O4

• 1 mol of MgF2 divided by 2 mol of LiF

• MgC2O4 mol of 2 divided by 1 mol of Li2C2O4

Given the reaction: 3 CaSe + 2 Co(HSO4)3 ---> 3 Ca(HSO4)2 + 1 Co2Se3, what is the mole ratio of CaSe to Co(HSO4)3?

• 3 mol of CaSe divided by 2 mol of Co(HSO4)3

• 2 mol of Co(HSO4)3 divided by 3 mol of CaSe

• 3 mol of Ca(HSO4)2 divided by 4 mol of Co2Se3

• 2 mol of Co(HSO4)3 divided by 3 mol of Ca(HSO4)2

• Co2Se3 mol of 3 divided by 3 mol of CaSe

Given the reaction: 1 PbBr4 + 2 CaI2 ---> 2 PbI4 + 2 CaBr2 What is the mole ratio of PbBr4 to CaI2?

• 1 mol of PbBr4 divided by 2 mol of CaI2

• 2 mol of CaI2 divided by 1 mol of PbBr4

• 2 mol of PbI4 divided by 4 mol of CaBr2

• 2 mol of CaI2 divided by 2 mol of PbI4

• CaBr2 mol of 2 divided by 1 mol of PbBr4

Given the reaction: 3 Hg(HSO4)2 + 1 Al2(SO4)3 ---> 3 HgSO4 + 2 Al(HSO4)3. What is the mole ratio of Hg(HSO4)2 to Al2(SO4)3?

• 3 mol of Hg(HSO4)2 divided by 1 mol of Al2(SO4)3

• 1 mol of Al2(SO4)3 divided by 3 mol of Hg(HSO4)2

• 3 mol of HgSO4 divided by 4 mol of Al(HSO4)3

• 1 mol of Al2(SO4)3 divided by 3 mol of HgSO4

• Al(HSO4)3 mol of 3 divided by 3 mol of Hg(HSO4)2

Given the reaction: 1 Fe2(Cr2O7)3 + 3 Ag2S2O3 ---> 1 Fe2(S2O3)3 + 3 Ag2Cr2O7 What is the mole ratio of Fe2(Cr2O7)3 to Ag2S2O3?

• 1 mol of Fe2(Cr2O7)3 divided by 3 mol of Ag2S2O3

• 3 mol of Ag2S2O3 divided by 1 mol of Fe2(Cr2O7)3

• 1 mol of Fe2(S2O3)3 divided by 4 mol of Ag2Cr2O7

• 3 mol of Ag2S2O3 divided by 1 mol of Fe2(S2O3)3

• Ag2Cr2O7 mol of 1 divided by 1 mol of Fe2(Cr2O7)3

Given the reaction: 2 (NH4)3P + 3 CoSO4 ---> 3 (NH4)2SO4 + 1 Co3P2, what is the mole ratio of (NH4)3P to CoSO4?

• 2 mol of (NH4)3P divided by 3 mol of CoSO4

• 3 mol of CoSO4 divided by 2 mol of (NH4)3P

• 3 mol of (NH4)2SO4 divided by 4 mol of Co3P2

• 3 mol of CoSO4 divided by 3 mol of (NH4)2SO4

• Co3P2 mol of 3 divided by 2 mol of (NH4)3P

Given the reaction: 1 Fe2(Cr2O7)3 + 1 Sn3N2 ---> 2 FeN + 3 SnCr2O7. What is the mole ratio of Fe2(Cr2O7)3 to Sn3N2?

• 1 mol of Fe2(Cr2O7)3 divided by 1 mol of Sn3N2

• 1 mol of Sn3N2 divided by 1 mol of Fe2(Cr2O7)3

• 2 mol of FeN divided by 4 mol of SnCr2O7

• 1 mol of Sn3N2 divided by 2 mol of FeN

• SnCr2O7 mol of 2 divided by 1 mol of Fe2(Cr2O7)3

Given the reaction: 3 Sn(HCO3)2 + 2 (NH4)3PO4 ---> 1 Sn3(PO4)2 + 6 NH4HCO3. What is the mole ratio of Sn(HCO3)2 to (NH4)3PO4?

• 3 mol of Sn(HCO3)2 divided by 2 mol of (NH4)3PO4

• 2 mol of (NH4)3PO4 divided by 3 mol of Sn(HCO3)2

• 1 mol of Sn3(PO4)2 divided by 4 mol of NH4HCO3

• 2 mol of (NH4)3PO4 divided by 1 mol of Sn3(PO4)2

• NH4HCO3 mol of 1 divided by 3 mol of Sn(HCO3)2

Given the reaction: 1 Li2C2O4 + 1 MgF2 ---> 2 LiF + 1 MgC2O4. What is the mole ratio of LiF to MgF2?

• 1 mol of MgF2 divided by 2 mol of LiF

• 2 mol of LiF divided by 1 mol of MgF2

• mol of divided by 1 mol of MgC2O4

• 2 mol of LiF divided by 1 mol of Li2C2O4

• LiF mol of 2 divided by 1 mol of MgC2O4

Given the reaction: 3 CaSe + 2 Co(HSO4)3 ---> 3 Ca(HSO4)2 + 1 Co2Se3. What is the mole ratio of Ca(HSO4)2 to Co(HSO4)3?

• 2 mol of Co(HSO4)3 divided by 3 mol of Ca(HSO4)2

• 2 mol of Co(HSO4)3 divided by 3 mol of Ca(HSO4)2

• mol of divided by 1 mol of Co2Se3

• 3 mol of Ca(HSO4)2 divided by 3 mol of CaSe

• Ca(HSO4)2 mol of 3 divided by 1 mol of Co2Se3