Top Answer

first you set up your ratio;

9.3moles

1mole = 32g

9.3 is the number of moles you're trying to find

32 comes from adding the mass numbers of both elements;

Si=28g

H=1g, but there's four, so you multiply it by 4, hence the 32

now you crossmultiply; so multiply 9.3 by 32

you get 297.6, then divide by 1 so 9.3 moles SiH4 is 297.6g. follow the same pattern every time and you'll be fine; hope this helps

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0The molar mass of SiH4 is approximately 32.117 grams per mole. So, 9.30 moles of SiH4 has a mass of 298.69 grams.

The molar mass of SiH4 is approximately 32.117 grams per mole. So, 9.30 moles of SiH4 has a mass of 298.69 grams.

SiH4. since it's mass is larger then CH4, London constraints are stronger.

Silane has the formula SiH4.

mole mole mole mole mole

A mole of oxygen atoms has a mass of approximately 16 grams. A mole of O2 has a mass of approximately 32 grams. A mole is 6.02 x 1023 particles and as such a mole of oxygen atoms has only half the mass of a mole of oxygen molecules.

To find the mass we use the equation m= n x mm. (mass= moles x molar mass). mass = one mole of magnesium x 24.31g/mole. Therefore the mass of one mole of magnesium is 24.31g.

The mass of a mole of NaCl is 57,958 622 382.

The mass of 1 mole of H2 will be 2g

The atomic mass, in grams, is the mass of one mole of atoms.

if it exists as single atoms, the atomic mass is the mass of 1 mole. If it is diatomic, the 2 x the atomic mass is the mass of 1 mole. So, you can weigh, or mass, that amount and get one mole. Any that are gases, you can get 1 mole by finding 22.4 liters at STP.

A mole is equal to 6.02 *10^23 units of a molecule. The molar mass is the mass of the object per mole of that molecule.

the mass of 1 mole of NaOH is 40 grams

gold, as it has a higher molar mass

molar mass is the mass of one mole of the matter so the unit is gram/mole

germanium has greater mass and thus is harder to move

The boiling point of SiH4 is -112 oC.

The mass of one mole is the average atomic mass number of the chosen mass units, usually grams, in which the mole is expressed. For sodium, the average atomic mass number is 22.9898.

One mole of 12C has a mass of 12.00000 grams (exactly, by definition).One mole of 13C has a mass of 13.00335 grams.One mole of 14C has a mass of 14.00324 grams.One mole of natural carbon - i.e. a sample with the ratio of isotopes equal to that in nature - has a mass of 12.0107 grams.

One mole of 12C has a mass of 12.00000 grams (exactly, by definition).One mole of 13C has a mass of 13.00335 grams.One mole of 14C has a mass of 14.00324 grams.One mole of natural carbon - i.e. a sample with the ration of isotopes equal to that in nature - has a mass of 12.0107 grams.

The mass of one mole of any subs. is same as the molecular or atomic mass of the substance in grams.

Yes. To find out the mass of a mole of atoms of any given element, see the atomic mass given on the periodic table. A mole of carbon atoms has a mass of 12.011 grams. A mole of sulfur atoms has a mass of 32.06 grams.

the mass of one mole od aluminum is 65.2 grams

The mole is the ratio between the mass of a sample and the molar mass of this compound.

This is the third element Lithium: 6.94 g is the mass of 1 mole Li. The mass in grams of one mole of any element is exactly its atomic mass (in a.m.u.)

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