An ancient copper coin was found to absorb 545.8 j of heat when the tempature increases 31.4+c. the specific heat of copper is 0.387 j/g+c. what is the mass of the copper coin?

An ancient copper coin was found to absorb 545.8 j of heat when the tempature increases 31.4+c. the specific heat of copper is 0.387 j/g+c. what is the mass of the copper coin?