4. Sum Each Element's Mass Finally, add together the total mass of each element to get the molar mass of Na2SO2O8: 45.97953856 g/mol + 32.065 g/mol + 159.994 g/mol = 238.03853856 g/mol 5. Find Mole Fraction To find the mole fraction and percentage of each element in Na2SO2O8, div...
第一个是求摩尔质量 就相当于原子量 H2 2g/mol Cl2 71g/mol Br2 160g/mol N2O4 92g/mol Na2S 78g/mol, 你是不是题目抄错了NH3 17g/mol K2SO4 174g/mol,第二个是算有多少摩尔 质量/摩尔质量 10gH 5mol 50gCL2 0.704mol 100gBr 0.625mol 20gNa2s 0.256mol 第三个是算有多少克...
What is the molar mass of Fe(NO3)2*9H20 What is the molar mass of Fe(NO3)2? What is the mass of 2.21 mol of Na2S? What is the molar mass of (NH4)2O? What is the molar mass of magnesium sulphate? What is the molar mass of calcium nitrate?
The molar mass of an element or molecule is the sum of the total mass in grams of all the atoms that make up a mole of a particular molecule. A mole is a unit of measurement that helps compare particles of any given substance and its mass....
The molar mass and molecular weight of NaP is 53.964. EditElemental Percent Composition Convert NaP From Moles to Grams Molesmol Convert to Grams and Molecules Convert NaP From Grams to Moles and Molecules Weightg Convert to Moles Composition of NaP ...
Na2S2O3.5H2O Molar Mass Converter Weight: Mole: Na2S2O3.5H2O Molar Mass Conversion in Batch Weight: Mole: Elem. Name Total AtomicMass MassNa Sodium 2(9.09%) 22.99 45.98(18.527%)S Sulfur 2(9.09%) 32.07 64.14(25.844%)O Oxgen 8(36.36%) 16 128(51.575%)...
物质的摩尔质量计算结果:分子式: Na2S9H2O摩尔质量: 352.5344 g/mol 1g=2.83660261239754E-03 mol各种元素摩尔质量百分比:元素 数量 相对原子质量 百分比Na 2 22.9898 13.04%S 9 32.06 81.85%H 2 1.0079 0.57%O 1 15.999 4.54%热门应用: 物质的摩尔质量的计算 分子式: HCl...
Composition of Cs4(Fe(CN)6) ElementSymbolAtomic Mass# of AtomsMass Percent CesiumCs531.6218 g/mol471.4957% IronFe55.845 g/mol17.5104% CarbonC72.0642 g/mol69.6916% NitrogenN84.0402 g/mol611.3022% Cs4(Fe(CN)6) Element Mass PercentCesium531.622gCesium531.622gNitrogen84.0402gNitrogen84.0402gCarbon72.0642...
KBr5 Element Mass PercentBromine399.52gBromine399.52gPotassium39.0983gPotassium39.0983gKBr5 # of AtomsBromine5Bromine5Potassium1Potassium1 Instructions This program determines the molecular mass of a substance. Enter the molecular formula of the substance. It will calculate the total mass along with the ...
Answer to: Calculate the molar concentration of I- in a saturated solution of PbI2 containing Pb2+ = 3.75 x 10-4 M. (The Ksp for PbI2 is 8.4 x 10-9...