Then, we can just find the mass of 2.272 carbon atoms by multiplying 2.272 by the mass of 1 mole of carbon: 2.272 xx 12.01 = "27.29g" Since there was 1 significant figure in the question, …

Oct 11, 2015 · 1545 subjects were given ginko & 1524 placebo. In ginko group, 246 developed dementian & in the placebo it was 277 with dementia. Significance level=0.01 to test claim …

The degree of dissociation sf (alpha=0.0158) sf (K_b=2.51xx10^ (-6)color (white) (x)"mol/l") Triethyamine is a weak base and ionises: sf ( (CH_3)_3N+H ...

4 ⋅ 12.01 = 48.04 g We now know that one mole of carbon contains 48.04 grams of carbon. Next, we determine how many grams of carbon are in one mole of CO. 1 ⋅ 12.01 = 12.01 g Now, we …

0.56 1 molar solution ="Number of moles of solute"/"Volume of solution" for Sugar C_ (12)H_ (22)O_ (11) molar mass=342gm according to equation and information provided 1= …

65.0 "g N"_2 Any time you want to convert between moles and grams of a substance, you must know that substance's molar mass, which is the mass of one mole of that substance. (One …

Comparing the intensity levels of two different sounds of intensities I_1 and I_2, IL_2 - IL_1 = (10 dB) [\log_ {10} (I_2/I_0) - \log_ {10} (I_1/I_0)] But, \qquad \log_ {10} (a) - \log_ {10} (b) = \log_ …

The pendulum reaches a displacement of 10mm in 0.0314 s after crossing the equilibrium point. The frequency is 5 Hz and the amplitude is 0.012 m. One function that could result in the …

2.228 × 10^"23" molecules. 1 mole contains 6.022140857 × 10^"23" (Avogadro's number) The molecular weight of N_2O_3 is: 76.01 g/mol You have 28.3 g, so you have 28.3 / 76.01 = 0.37 …

Please see the explanation below The equation is y=2x^2+2 Compare this equation to y=ax^2+bx+c The coefficient of x^2 is a=2 >0 So the curve is convex. Now, calculate the …