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what is the volume at standard temperature and pressure for 28.4g of N2H6SO3?

What is the molecular formula of a molecule that has an empirical formula of CH2O and a molar mass of 120.12g/mol?

Determine the percent composition by mass of ammonia sulfate.

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solve the proportion 4/8 = w/32 w = 2 w = 7 w = 8 w = 16 i think its w = 2

thank you. (:

thank you both.

6(2x)/3x-2(2x) + 3(3x-2)/2x(3x-2) 12x +9x-6 / 6x^2-4x = 21x-6/6x^2-4x

36

1 pound = 16 ounces so 16 * 4 is 64 so you need 4 more ounces.

Its 9.

18

Its 63. Steve's logic is mostly right, except the area of triangle XYZ is 21, not the area of ABC.

63

Thanks for copying and pasting LaTeX and not bothering to put it so its legible.