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OpenStudy (mikezack123):
A chemical reaction produces two new substances, one with a mass of 34g and the other with a mass of 39g. What was the total mass of the reactants?
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OpenStudy (mikezack123):
I got 73 g
OpenStudy (automaticloveletter):
34g+39g=79g so yeah
OpenStudy (welshfella):
yes - matter is not destroyed to reactants have same mass as the 2 products
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