Nitromethane (CH3NO2) burns in air to produce significant amounts of heat. 4 CH3NO2 (1) + 3 O2 (g) → 4 CO2 (g) + 6 H20 (1) + 2 N2 (g) , AH°rxn = -2836 kJ If 1,869 kJ of heat are produced from the burning of nitromethane, how many grams of nitromethane were burned?

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