Hesabu ya Uzito wa Molekuli
Mchanganyiko wa kemikali, ambao umeharibika kwa asilimia 50.
Matokeo yanakuwa bora zaidi unapochapa.
Kuhusu kifaa hiki cha kupigia hesabu
The molecular weight, or molar mass, of a compound is the mass of one mole of it in grams per mole, found by adding up the standard atomic weight of every atom in its chemical formula. This molecular weight calculator parses a formula you type — element symbols with optional subscripts, nested parentheses, and a leading multiplier for hydrates — and sums the atomic weights, drawing on IUPAC standard values (hydrogen 1.008, carbon 12.011, oxygen 15.999, and so on).
As a worked example, water H2O contains two hydrogen atoms and one oxygen: 2 × 1.008 + 15.999 = 18.015 g/mol. Glucose C6H12O6 sums to 6 × 12.011 + 12 × 1.008 + 6 × 15.999 = 180.156 g/mol. The calculator also returns a per-element breakdown showing each element’s atom count, atomic weight, mass subtotal and percentage of the total mass — so for water it reports oxygen as about 88.8% of the mass and hydrogen the rest.
The parser understands parentheses and hydrate dot-notation, so Ca(OH)2 is read as one calcium, two oxygen and two hydrogen (74.09 g/mol) and CuSO4.5H2O includes the five waters of crystallisation (249.68 g/mol). Molar mass is the essential bridge between the mass you weigh on a balance and the moles a reaction needs, so it underlies solution preparation, reaction stoichiometry, yield calculations and converting between grams and moles at every step of quantitative chemistry.
Maswali yaliyoulizwa mara nyingi
Uzito wa molekuli hukadiriwaje?
Multiply each element’s atomic weight by how many atoms of it the formula contains, then add them up. Water (H₂O) is 2 × 1.008 + 15.999 = 18.015 g/mol.
Ni kanuni gani ya hesabu inayotegemezwa?
Element symbols with optional counts, nested parentheses and a leading multiplier for hydrates. Ca(OH)2 is read as one calcium, two oxygen and two hydrogen; CuSO4.5H2O includes five waters.
Kuna tofauti gani kati ya uzito wa molekuli na uzito wa jua?
Numerically they are the same value. Molecular weight (or molecular mass) is a relative figure in daltons for one molecule; molar mass is the mass of a mole in grams per mole. Both equal the summed atomic weights.
Niingiaje katika bomba la maji kama vile shaba - kavu iliyofungwa?
Tumia nukta moja mbele ya kundi la maji: CuSO 4.5H2O. Njia inayoongoza 5 inaongeza H2O, ikiongeza maji matano ya udishaji, na mashine ya kupigia hesabu yarudi 249.68 g/mol kwa ajili ya maji hayo.
Ni nini maana ya asilimia ambayo hiyo huonyesha?
Katika maji, oksijeni ni asilimia 88.8 na hidrojeni 11.2; katika glukosi, kaboni ni asilimia 40.0, hidrojeni 6.7 na oksijeni 53.3 ni muhimu kwa kazi ya kuhifadhi mazingira na kusafisha.
Kwa nini sheria yangu haikufaulu?
Kila ishara ya elementi lazima itiwe alama ya msingi (Koo ni kivyangu, lakini CO ni kaboni pamoja na oksijeni), na ni elementi halisi tu zinazokubaliwa.
Je, ninaweza kuhesabu uzito wa mono wa atomu au kikundi cha atomu?
Yes — wrap the group in parentheses with its multiplier, like Ca(OH)2 or (NH4)3PO4. The parser expands the parentheses and multiplies the enclosed atoms, so ammonium phosphate sums correctly across all three ammonium groups.
API bustanini hutumia kifaa hiki cha hesabu kutoka kwenye mfumo wa sheria
Ipigie simu kifaa hiki cha kupigia hesabu kama Junse É not doot toder. Chochote unachoacha kinatumia kiwango kilekile cha mwisho ambacho ukurasa huu haujakamilika; parameta isiyojulikana ni 400, si sufuri kimya kamwe. Soma habari kamili za API docs →
keyboard label
GET https://calculator.free/api/v1/molecular-weight/curl
curl "https://calculator.free/api/v1/molecular-weight/?formula=H2O"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/molecular-weight/?" + new URLSearchParams({
"formula": "H2O"
}));
const data = await r.json();
console.log(data.results);Matokeo ni makadirio ya mwongozo wa ujumla, si wa kifedha, wa kitiba au wa kodi tu.