Web6.46 g He X (1 mol He/4.003 g He) = 1.61 mol He (a) How many atoms are there? Expert's Answer Solution.pdf Next Previous Related Questions Q: A tank of helium gas used to inflate toy balloons is at a pressure of 15.5106 Pa and a temperature.. Solution 1 :- pressure P = 15.5x108 Pa Temjperature T = 293K. The tank's volume V = 0.020 m3. WebHow many moles of He are in 6.46 g of He? Converting to Moles 6.46 gHe = 1.61 mol 4.003 g 1 mol x. The Mole - since 6.022045 x 1023 atoms of carbon have a mass of 12 grams, 6.022045 x 1023 atoms x 1 atom 12 amu = 12 g 6.022045 x 1023 amu = 1 g then. Mass Relationships of Atoms - Extended.

Cuantos átomos hay contenidos en 6.46g de He? - Brainly.lat

WebThat means that one mole of hydrogen weighs 1.00797 grams (1.00797 g/mol). Based on that information, to convert 6.46 moles of hydrogen to grams, we multiply 6.46 moles of … Web6.46 g He X (1 mol He/4.003 g He) = 1.61 mol He (a) How many atoms are there? Expert's Answer Solution.pdf Next Previous Related Questions Q: A tank of helium gas used to … dick\\u0027s waterford ct

Mass Relationships of Atoms - Mister Chemistry

Web(a)How many moles of He atoms are in 6.46 g of He (mol mass 4.003 g)? 6.46 g He X (1 mol He/4.003 g He) = 1.61 mol He (a)How many atoms are there? Example 3.2: Helium … Web(Northern Arizona University) and Raymond Chang, this success guide is written for use with General Chemistry. It aims to help students hone their analytical and problem-solving skills by presenting detailed approaches to solving chemical problems. WebThus, there are 1.61 moles of He atoms in 6.46 g of He. Check Because the given mass (6.46 g) is larger than the molar mass of He, we expect to have more than 1 mole of He. dick\u0027s waterford ct