Grams/Moles
How many grams are in 3.4 moles of Mg?
0.14 g
How many moles are in 2.01 x 1023 atoms of copper?
0.334 mol
How many grams are in 7.6 x 1023 moles of potassium atoms?
49 g
How many moles are in 150.0 g Fe2O3?
0.9393 mol
How many moles are in 1.5 x 1016 molecules BF3?
2.5 x 10-8 mol
How many moles of KBr are in 1.00 g?
0.00840 mol
How many atoms are in 0.34 moles of phosphorus?
2.0 x 1023 atoms
How many molecules are in 1.00 g F2?
1.58 x 1022 molecules
How many moles are in 10.0 g aluminum?
0.371 mol
How many grams are in 0.018 moles H2O?
1.0 x 10-3 mol
How many moles of Na2SO4 are in 0.0578 grams?
0.000407 mol or 4.07 x 10-4 mol
How many formula units are in 0.4562 mol MgF2?
2.746 x 1023 formula units
How many grams are in 4.5 x 1010 formula units of Ca(MnO4)2?
2.1 x 10-11 g 277.96
A silicon chip used in a microcomputer is 0.00568 g. How many atoms of silicon are in the chip?
1.22 x 1020 atoms
How many molecules are in a sample of 0.0015 grams isopentyl acetate (C7H14O2)?
6.9 x 1018 molecules
How many grams are in 5060 moles of Al2(CO3)3?
1180000 g (or 1.18 x 106 g)
How many moles are in 5040 Sr2+ ions?
8.37 x 10-21 ions
How many formula units are in 5.93 x 10-4 grams mercury (II) chloride?
1.31 x 1018 formula units
How many formula units of iron (II) oxide are present in 56.0 g?
4.69 x 1023 formula units
How many grams are in 4.539 x 1030 molecules of tetrasulfur decafluoride?
2.399 x 109 grams
How many moles are in 0.060 grams (NH4)2Cr2O7?
0.00024 mol (or 2.4 x 10-4 mol)
Challenge! How many atoms of hydrogen are in 4.5 moles water?
5.4 x 1024 atoms
How many grams does 1 formula unit of (NH4)2CrO4 weigh?
3 x 10-22 g
How many oxygen atoms are in 6.74 g of chloral hydrate (C2H3Cl3O2)?
2.45 x 1022 atoms
How many grams of carbon dioxide are present in a sample with 2.4 x 1020 atoms of oxygen?
0.0088 g (or 8.8 x 10-3 g)