19) Calculate to four significant figures: a) the mass change in kg b) the energy change...

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Question

19) Calculate to four significant figures: a) the mass change in kg b) the energy change...

19)

Calculate to four significant figures:

a) the mass change in kg
b) the energy change in kJ/mol,

when a neutron decays to produce a proton and an electron. The neutron, proton & electron masses are 1.67493 × 10^-27 kg, 1.67262 × 10^-27 kg and 9.10939 × 10^-31 kg, respectively.

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