Question

1. How many grams of fructose (molar mass = 180.16 g/mol) are
there in 7.240 x 10^{24} fructose molecules?

2. How many grams is 5.584 moles of
Cu_{3}(PO_{4})_{2}?

Answer #2

answered by: anonymous

How many grams of ammonia (NH3) are there in 1.19 mol of the
compound?
What is the mass (in grams) of 9.23 × 1024 molecules of methanol
(CH3OH)?
How many atoms of phosphorus are in 8.20 mol of copper(II)
phosphate?
How many moles of N are in 0.215 g of N2O?

(a) How many moles of ammonium ions are in 0.552 g of ammonium
carbonate? mol
(b) What is the mass, in grams, of 0.0279 mol of iron(III)
phosphate? g
(c) What is the mass, in grams, of 4.98 1023 molecules of
aspirin, C9H8O4? g
(d) What is the molar mass of a particular compound if 0.087 mol
weighs 6.48 g? g/mol

Gold has a molar mass of 197 g/mol. (a) How many moles of gold
are in a 3.51 g sample of pure gold? (b) How many atoms are in the
sample?

1.A chemist requires 0.240 mol Na2CO3 for a reaction. How many
grams does this correspond to? 2.How many grams of potassium oxide
(K2O) are there in 0.502 moles? 3.How many moles of carbon monoxide
(CO) are in 18.3 g of the compound? 4.How many atoms are there in
80.3 g of potassium dihydrogen phosphate (KH2PO4)? 4.A sample of
C3H8 has 9.52 × 1024 H atoms. How many carbon atoms does the sample
contain and What is the total mass of...

1. How many grams of NH3 can be produced from 4.93 mol of N2 and
excess H2.
2. How many grams of H2 are
needed to produce 11.87 g of NH3?
3. How many molecules (not
moles) of NH3 are produced from 7.69×10−4 g of H2?

1) How many grams of NH3 can be produced from 4.48 mol of N2 and
excess H2.
Express your answer numerically in grams.
2) How many grams of H2 are needed to produce 11.93 g of
NH3?
Express your answer numerically in grams.
3)How many molecules (not moles) of NH3 are produced from
4.38×10−4 g of H2?
Express your answer numerically as the number of molecules.

(a) How many moles of ammonium ions are in 0.807 g of ammonium
carbonate?
(b) What is the mass, in grams, of 0.0445 mol of iron(III)
phosphate?
(c) What is the mass, in grams, of 2.48 1023 molecules of
aspirin, C9H8O4?
(d) What is the molar mass of a particular compound if 0.060 mol
weighs 5.34 g?

If
you start with 1.91g of Na3PO4, what is the theoretical yield of
Cu3(PO4)2 Molar mass: Na3PO4 is 380.12 g/mole, Cu3(PO4)2 is 434.60
g/mole, CuCl2 is 170.48 g/mole.

1- How many grams of H2S contain the same number of molecules as
13.9 g of BH3?
2- how many moles of n atoms are contained in 12 mol n2o5?
3- Refer to the periodic table and determine how many grams of
sulfur contain the same number of atoms as 8.99 grams of
phosphorus.
________g

1a. You have 2.32 x 1024 molecules of water, H2O. How many moles
of water is this ?
a. 18.02 moles b. 3.85 moles c. 6.022 x 1023 moles d. 4.18 x
1025 moles
1b. How many grams of water are in the sample described in part
“a” ?
a. 18.02 grams b. 2.32 grams c. 69.4 grams d. 6.022 grams
1c. How many hydrogen atoms are the sample described in part
“a”?
a. 2 b. 2.32 x 1024 c....

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 5 minutes ago

asked 13 minutes ago

asked 33 minutes ago

asked 33 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 2 hours ago

asked 2 hours ago

asked 2 hours ago