The mass of a 10 kilogram necklace is 10,000 grams. Very heavy. If the questioner, intended 10 k to refer to value, they should have said what currency and what material the necklace was made of.
18000. the "k" in kg stands for kilo which indicates thousands. So a km is 1000 meters, a kg is 1000 grams, etc...
grams in a kilogram.
1.3806503 × 10-23 m2 kg s-2 K-1 / masses of 2
can you help with this question
1 mole K atoms = 39.0983g K (atomic weight in grams)1 mole K atoms = 6.022 x 1023 atoms K (Avogadro's number)Convert known atoms to moles.1.72 x 1023 atoms K x (1mol K/6.022 x 1023 atoms K) = 0.286mol KConvert moles to mass in grams.0.286mol K x (39.0983g K/1mol K) = 11.2g K
7.20 moles K x 39.1 g/mole = 281.52 g K = 282 g K (to 3 significant figures)
1 mole K = 6.022 x 1023 atoms KConvert known moles to atoms.0.0671mol K X (6.022 x 1023 atoms K/1mol K) = 4.04 x 1022 atoms K
There are 6.022 × 1023 atoms of potassium in every mole of potassium. Since one mole of KOH contains one mole of K, the answer is 6.022×1023 atoms of K. Therefore, 3.5 moles * 6.022E23 atoms/1 mole= 2.107E24
approximately 1.5 grams.
0.0602 mole K x 6.02x10^23 atoms/mole = 3.62x10^22 atoms
0.0384 moles K x 6.02x10^23 atoms/mole = 2.31x10^22 atoms
0.3 moles K (6.022 X 10^23/1mol K) = 1.8 X 10^23 atoms of K
Balanced equation. 2K + Cl2 >> 2KCl 39 grams K (1mol K/39.10g )(1mol Cl/2mol K )(35.45g/1 mol Cl ) = 17.7 grams
1 fomula unit of KOH has 3 atoms: 1 potassium (K), 1 oxygen (O), and 1 hydrogen (H).
There are 2 atoms of K, 1 of C, and 4 of O.
5,000 k = kilo = thousand