Answer:
Explanation:
moler mass of Cu is 63.546 g/mol. Since 63.546 g of copper has 6.022 x 10 power(23) atoms (Avogadro's number). = 9.5 x 10(power)21 atoms of copper.
The Urease test recognizes living beings that are equipped for hydrolyzing urea to deliver smelling salts and carbon dioxide. It is utilized to recognize urease positive Proteeas from other Enterobacteriaceae.
It is a huge group of microscopic organisms, which are Gram-negative and bar mold. They are chemo-organotrophic and can develop in the nearness or nonappearance of air. There are numerous genera, found as parasites and pathogens in an extensive variety of life forms from plants to people.
Mass of sodium :- 23 grams
Mass of Chlorine :- 35.5 grams
Mass of NaCl :- 58.5 grams
mass given :- 25 grams
moles :- 0.432 ( given mass/ ionic mass)
0.052301= 6 sig. figure
400 cm. = 3 significant figures
50.0. =. 3. Significant figure
4500.01=. 6 significant figure
Answer:
273 °K annd 0°C are equivalent
