How many moles of water is in 360 g of water ?
5 moles
36 moles
10 moles
1 mole
How many Cl - ions are present in 95 g of MgCl2 ?
6.02 x 10exp23
1.204 x 10exp24
5000
9500
How many grams of NaOH is present in 3 moles of NaOH ?
40 g
80 g
3 g
120 g
Calculate the molecular mass of a substance if 0.05 mole of a substance is equal to 9 g ?
9
90
180
36
How many atoms of nitrogen is present in one unit of NH4Cl ?
6.02 x 10exp23
1.204 x 10Exp24
4
1
How many grams of H2O is present in 5 moles ?
90 g
18 g
36 g
45 g
How many atoms of carbon is present in a ring which contains 2 g of diamond (diamond is pure carbon) ?
2
6.02 x 10exp23
1 x 10exp23
none
How many atoms of carbon are present in 18 g of glucose (C6H12O6) ?
6.02 x10exp23
6.02 x10exp22
3.6 x 10exp23
none
If 5 moles of a compound weighs 80 g then the molecular mass of that compound is ---- .
80
16
32
40