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PLEASE HELPPP

the formula would be mgso4

mgso[subscript]4

in chemistry, a solution’s concentration is how much of a dissolvable substance, known as a solute, is mixed with another substance, called the solvent. the standard formula is c = m/v, where c is the concentration, m is the mass of the solute dissolved, and v is the total volume

- lead + phosphoric acid = hydrogen + lead(ii) phosphate

the answer would be c