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25 Cards in this Set
- Front
- Back
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How many atoms are in each of the following.
0.230 g Pb |
0.0066888 x 10 (23rd) atom
6.69 x 10 (20th) atom |
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how many mole of each elemnt in 0.250 molK2 Cr04
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0.0250 mol K2Cro4x 2 molK
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calculate the number of moles of each element in 1.25 mole glucose (C6H12O6)
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9.04x10 24th atom/oxygen
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How many moles are in
3.75 x10(24th) molecules CO2 |
.623x 10(1st) = 6.23
molecules CO2 |
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calculate the molar mass of acetic acid (CH3OOH)
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C 2x 12 =24
H 4 x 1 =4 O 2 x 16= 32 ____________ 60 |
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How many atoms are in the following:
45.6 g Si |
9.77 x 10 (23rd) atoms
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what mass of sodium chloride contains 4.59 x 10 24 form. units
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446g
4046 x 10 2nd g |
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what is the mass of 4035x10-2 moles of zinc Chloride (znCl2)
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Zn=65.4
Cl=35.5 _______ 100.9 |
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what mass of sodium chloride contains 4.59 x 10 24 form. units
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446g
4046 x 10 2nd |
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Determine the # of moles present
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2206g AgNo3 x 1/170. = 0.13 mole
Ag 1x 10=108 N 1 x 14.0 = 14 O 3x 16.o=48 ____________ 170.g/mol |
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How many moles are in:
5.75 x 10(24th) |
0.955 x 10(1) = 9.55 Mo Al
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Determine the number of moles of Chloride ion in:
2.50 mol ZnCl2 |
3.01 x 10(24th) ion Cl
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How many atoms in:
4.56 x 10 -2 g sodium |
2.4608 x 10(25)
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Determine the mass in grams of 125 mol of Neon?
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1.19 x 10(21st)atoms
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Calculate the mass in grams of:
2.56 x 10 -3 moles of iron |
143 x 10 -3g Fe
*1.43 g Fe* |
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Calculate the number of moles of each element in 1.25 mole glucose(C6 H12 O6)
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9.04 x 10(24th)atoms/22H
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find the molar mass (NH4)3 PO4
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N=3x14=42
H=12x1=12 P=1x31=31 O=4x16=64 _________ 149g/mole |
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what is the mass of 3025 mole HeSo4
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H 2x 1.01
S 1x32.1 = 32.1 O 4x16.o= 64.0 ______________ 98.12 318.g/HeSO4 |
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Determine the mass in grams of 125 mol of neon.
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2525g Ne
__________ 1 mole Ne * 2.53 x 10 (3rd) g Ne * |
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find the molar mass of
CaCl 2 |
110.984
Ca=1x40.078=4.078 Cl=2x35.453=70.906 |
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What is the mass in grams?
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6.69 g pb
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determine the molar mass of Silver Nitrate.
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AgNo3
Ag 1x108=108 N 1x14=14 O 3x16=48 _________ 170g/mole AgNO3 |
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How many moles of titanium are contained in 71.4 g
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1.49 mol Ti
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determine the molar mass of Silver Nitrate.
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AgNo3
Ag 1x108=108 N 1x14=14 O 3x16=48 _________ 170g/mole AgNO3 |
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how many mole of each elemnt in 0.250 molK2 Cr04
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0.0250 mol K2Cro4x 2/1 mol K
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